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Redistricting policy ballot measures

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Redistricting measures on the ballot: This topic refers to ballot measures regarding the process, guidelines and commissions related to redistricting. Redistricting involves the redrawing of boundary lines for state legislative and U.S. Congressional districts. On Ballotpedia, the category also includes the topic of apportionment, the act of determining the number of governmental representatives a particular portion of the populace receives.

See ballot measures related to redistricting sorted in the following ways below:

List of ballot measures

By state

Alabama

  1. Alabama County Abolition, Amendment 18 (1957) Approved
  2. Alabama Senate Districts, Amendment 6 (1951) Defeated

Alaska

  1. Alaska Measure 3, Transfer Legislative Redistricting from Governor to Board Amendment (1998) Approved

American Samoa

  1. American Samoa, Amendment 5, Malaeimi in Representative District 12 Measure (2022) Defeated

Arizona

  1. Arizona Measure Nos. 100-101, Number of Legislators by County Amendment (1924) Defeated
  2. Arizona Measure Nos. 102-103, Number of Legislative Districts per County Based on Population Initiative (1918) Approved
  3. Arizona Measure Nos. 104-105, Legislative Redistricting Amendment (1930) Defeated
  4. Arizona Measure Nos. 106-107, Legislative Redistricting Amendment (1916) Defeated
  5. Arizona Proposition 106, Redistricting Commission Amendment (2000) Approved
  6. Arizona Proposition 300, Legislative Redistricting Referendum (1968) Approved

Arkansas

  1. Arkansas Legislative Apportionment, Proposed Amendment 48 (1956) Approved
  2. Arkansas Provide for the Board of Apportionment, Amendment 1 (1936) Approved

California

  1. California Proposition 1, Legislative Redistricting Referendum (1928) Approved
  2. California Proposition 10, Congressional Redistricting Map Referendum (June 1982) Defeated
  3. California Proposition 11, Creation of the California Citizens Redistricting Commission Initiative (2008) Approved
  4. California Proposition 11, State Senate Redistricting Map Referendum (June 1982) Defeated
  5. California Proposition 118, Require Two-Thirds Legislative Vote and Voter Approval for Redistricting Plans Initiative (June 1990) Defeated
  6. California Proposition 119, Creation of Citizens Redistricting Commission Initiative (June 1990) Defeated
  7. California Proposition 12, State Assembly Redistricting Map Referendum (June 1982) Defeated
  8. California Proposition 13, State Senate Reapportionment Formula Initiative (1948) Defeated
  9. California Proposition 14, Redistricting Commission Initiative (1982) Defeated
  10. California Proposition 15, State Senate Reapportionment Formula Initiative (1960) Defeated
  11. California Proposition 18, State Controller on Reapportionment Commission Amendment (1942) Approved
  12. California Proposition 20, Reapportionment Commission When Legislature Does Not Adopt Plans Initiative (1926) Defeated
  13. California Proposition 20, Transfer Congressional Redistricting to Commission Initiative (2010) Approved
  14. California Proposition 23, Increase Size of Senate and Change Apportionment Rules Initiative (1962) Defeated
  15. California Proposition 27, Elimination of Citizens Redistricting Commission Initiative (2010) Defeated
  16. California Proposition 28, Change Senate Apportionment from Equal Population to Counties Initiative (1926) Approved
  17. California Proposition 39, Creation of Redistricting Commission of Retired Judges Initiative (1984) Defeated
  18. California Proposition 40, State Senate Redistricting Plan Referendum (2012) Approved
  19. California Proposition 50, Use of Legislative Congressional Redistricting Map Amendment (2025) - On the ballot
  20. California Proposition 6, Equal Population in Districts Reapportionment Amendment (June 1980) Approved
  21. California Proposition 77, Transfer Legislative and Congressional Redistricting to Panel of Retired Judges Initiative (2005) Defeated

Colorado

  1. Colorado Amendment No. 4, Districting of Senatorial and Representative Districts Initiative (1956) Defeated
  2. Colorado Amendment No. 4, State Legislature Membership and Districts Initiative (1966) Approved
  3. Colorado Amendment No. 5, State Legislative Redistricting Measure (1954) Defeated
  4. Colorado Amendment No. 9, Creation of the Colorado Reapportionment Commission Amendment (1974) Approved
  5. Colorado Amendment Y, Independent Commission for Congressional Redistricting Amendment (2018) Approved
  6. Colorado Amendment Z, Independent Commission for State Legislative Redistricting Amendment (2018) Approved
  7. Colorado Measure 3, Apportionment of General Assembly Initiative (1922) Defeated
  8. Colorado Measure 3, Reapportionment of General Assembly Initiative (1932) Approved
  9. Colorado Proposal No. 7, Apportionment of Legislative Districts Initiative (1962) Approved
  10. Colorado Proposal No. 8, Commission for the Reapportionment of the General Assembly Initiative (1962) Defeated
  11. Colorado Referendum B, Timetable for Redistricting Amendment (2000) Approved

Connecticut

  1. Connecticut Question 1, Extend Timetable for Reapportionment Amendment (1990) Approved
  2. Connecticut Reapportionment Procedure, Question 4 (1976) Approved
  3. Connecticut Reapportionment Timetable, Question 4 (1980) Approved

Florida

  1. Florida Amendment 1, Apportionment and Number of Legislatures Amendment (1962) Defeated
  2. Florida Amendment 1, Apportionment of the Legislature Amendment (1959) Defeated
  3. Florida Amendment 1, Apportionment of the Legislature Amendment (1964) Defeated
  4. Florida Amendment 2, Legislative Districts Amendment (1944) Defeated
  5. Florida Amendment 3, New Senatorial Districts Amendment (1948) Defeated
  6. Florida Amendment 3, Single-Member Legislative Districts and Reapportionment Amendment (1978) Defeated
  7. Florida Amendment 5, Bay and Washington Counties Senatorial District Amendment (1952) Defeated
  8. Florida Amendment 5, Legislative District Requirements Initiative (2010) Approved
  9. Florida Amendment 5, Reapportionment of the Legislature Amendment (1956) Defeated
  10. Florida Amendment 6, Congressional District Requirements Initiative (2010) Approved
  11. Florida Amendment 6, Monroe County Senatorial District Amendment (1952) Defeated
  12. Florida Amendment 6, Senate Districts and Redistricting Amendment (1942) Defeated
  13. Florida Apportionment of the Legislature Amendment (1924) Approved
  14. Florida Legislative Districts and Representatives Amendment (1922) Defeated
  15. Florida Reapportionment of the Legislature Amendment (1916) Defeated
  16. Florida Representation of New Counties Amendment (1900) Approved

Georgia

  1. Georgia Amendment 3, Senate Apportionment Measure (1968) Approved
  2. Georgia Amendment 5, Senatorial District Creation Measure (1932) Defeated

Hawaii

  1. Hawaii Altering Island Unit Representation, Amendment 7 (1988) Approved
  2. Hawaii Apportionment and Districting of Legislature, Amendment 1 (1968) Approved
  3. Hawaii Constitutional Amendment Proposed by Legislature, Amendment (1968)
  4. Hawaii Provisions for Future Reapportionment, Amendment 2 (1968) Approved
  5. Hawaii Question 1, Redistricting Calendar (1992) Approved
  6. Hawaii Question 4, Establishing a Reapportionment Base (1992) Approved

Idaho

  1. Idaho Formation of Legislative Districts, HJR 5 (1984) Defeated
  2. Idaho Limit Size of Legislature, HJR 4 (1986) Approved
  3. Idaho SJR 105, Reapportionment Commission Amendment (1994) Approved
  4. Idaho Senate and House of Representatives Composition, HJR 13 (1912) Approved

Illinois

  1. Illinois Senatorial Apportionment Amendment (1954) Approved

Iowa

  1. Iowa Apportionment of Senatorial Districts, Amendment 1 (1928) Approved
  2. Iowa Legislative Apportionment, Amendment 1 (December 1963) Defeated
  3. Iowa Legislative Apportionment, Amendment 2 (1904) Approved
  4. Iowa Legislative Apportionment, Amendment 3 (1968) Approved
  5. Iowa Single Member Districts, Amendment 2 (1970) Approved

Kansas

  1. Kansas Legislative Apportionment, Amendment 5 (1972) Approved
  2. Kansas Legislative Districts, Amendment 1 (1988) Approved
  3. Kansas Legislative Reapportionment, Amendment 2 (1974) Approved

Maine

  1. Maine House of Representatives Elections, Powers and Apportionment, Proposed Constitutional Amendment No. 1 (1963) Defeated
  2. Maine Reapportionment Commission, Constitutional Amendment 10 (1986) Approved
  3. Maine Redistricting Measure, Question 4 (2011) Approved
  4. Maine Senate Elections, Powers and Apportionment, Proposed Constitutional Amendment (1966) Approved
  5. Maine Single-Member Legislative Districts and Apportionment Commission, Proposed Constitutional Amendment No. 1 (1975) Approved
  6. Maine State Legislature Apportionment Year, Proposed Constitutional Amendment No. 1 (1980) Approved
  7. Maine Town Merger Apportionment of Representatives, Proposed Amendment No. 5 (1917) Approved

Maryland

  1. Maryland Changes in Congressional Districts, Amendment 6 (1962) Defeated
  2. Maryland Election Law Revisions, Question 4 (2006) Approved
  3. Maryland Legislative Districts, Amendment 1 (1922) Approved
  4. Maryland Legislative Elections and Districts, Question 5 (1970) Approved
  5. Maryland Redistricting Referendum, Question 5 (2012) Approved

Massachusetts

  1. Massachusetts Question 1, Change Redistricting Rules for Town Divisions Amendment (1930) Approved
  2. Massachusetts Question 1, Implementation of Redistricted Boundaries Amendment (2000) Approved
  3. Massachusetts Question 1, Use of the Federal Census for Redistricting Amendment (1990) Approved
  4. Massachusetts Question 2, Reduce Size of House and Change Redistricting Process Amendment (1974) Approved
  5. Massachusetts Question 4, Representative and Senatorial Districts Amendment (1970) Approved

Michigan

  1. Michigan Apportionment of the State Legislature Initiative (1930) Defeated
  2. Michigan Establishment of Legislative Districts Amendment (1928) Approved
  3. Michigan Establishment of Legislative Districts Initiative (1924) Defeated
  4. Michigan Proposal 2, Independent Redistricting Commission Initiative (2018) Approved
  5. Michigan Proposal 2, Population-Based State Legislative Redistricting Initiative (1952) Defeated
  6. Michigan Proposal 3, Population-Based State House Redistricting and Fixed Senate Districts Initiative (1952) Approved
  7. Michigan Proposal No. 3, Senators' Terms and Apportionment of Representatives Initiative (1932) Defeated

Minnesota

  1. Minnesota Authorize Legislative Reapportionment, Amendment 4 (1910) Defeated
  2. Minnesota Legislative Session for Reapportionment, Amendment 2 (1960) Defeated
  3. Minnesota Reapportionment Commission, Amendment 4 (1980) Defeated

Mississippi

  1. Mississippi Legislative Reapportionment, Amendment 1 (1979) Approved
  2. Mississippi Redistricting, Amendment 1 (1990) Defeated

Missouri

  1. Missouri Amendment 1, Lobbying, Campaign Finance, and Redistricting Initiative (2018) Approved
  2. Missouri Amendment 12, Reapportionment Commission Hearings Measure (1982) Approved
  3. Missouri Amendment 3, Legislative Redistricting by Appellate Judge Commission Measure (August 1978) Defeated
  4. Missouri Amendment 3, Redistricting, Legislative Processes, Fiscal Year, and Public Benefits Measure (February 1924) Defeated
  5. Missouri Amendment 3, Redistricting Process and Criteria, Lobbying, and Campaign Finance Amendment (2020) Approved
  6. Missouri Amendment 3, Representative and Senatorial Districts Measure (January 1966) Approved
  7. Missouri Amendment 3, State Legislative Apportionment and Staffing Limits Measure (August 1965) Defeated
  8. Missouri Amendment 5, Congressional Redistricting Commission Measure (1982) Defeated
  9. Missouri Proposition 17, Congressional Redistricting Referendum (1922) Defeated
  10. Missouri Proposition 19, Senatorial Redistricting Initiative (1922) Defeated

Montana

  1. Montana Apportionment of the Legislature, Amendment 2 (1966) Approved
  2. Montana Redistricting After Final Census, C-14 (1984) Approved

Nebraska

  1. Nebraska Amendment 12, Elimination of Legislative Apportionment Provision Amendment (September 1920) Approved
  2. Nebraska Amendment 13a, Legislative Apportionment Amendment (1966) Approved
  3. Nebraska Amendment 13b, Legislative Representation in Reapportioned Districts Amendment (1966) Approved
  4. Nebraska Amendment 2, Judicial Districts Reapportionment Amendment (1970) Approved
  5. Nebraska Amendment 5, Legislative Apportionment Amendment (September 1920) Approved
  6. Nebraska Amendment 7, Legislative Reapportionment Amendment (1962) Approved
  7. Nebraska Amendment 7, University Regents Members Amendment (1968) Approved

Nevada

  1. Nevada Question 7, Legislative Redistricting Amendment (1970) Approved

New Hampshire

  1. New Hampshire Census Adjustments, Question 4 (1960) Approved
  2. New Hampshire Councilor Districts, Question 11 (1912) Approved
  3. New Hampshire Legislative Apportionment, Question 9 (1903) Defeated
  4. New Hampshire Legislative Districts Amendment (1976) Defeated
  5. New Hampshire Legislative Districts Amendment (1978) Approved
  6. New Hampshire Legislative Redistricting Amendment (1964) Approved
  7. New Hampshire Legislature to Establish Voting Precincts, Question 10 (1903) Defeated
  8. New Hampshire Representation by District, Question 2 (2006) Approved
  9. New Hampshire Senate Redistricting Amendment (1964) Approved

New Jersey

  1. New Jersey Public Question 1, Redistricting Commission (1995) Approved
  2. New Jersey Public Question 3, Delayed State Legislative Redistricting Amendment (2020) Approved

New York

  1. New York Abolish of State Census for Legislature Redistricting, Amendment 1 (1931) Approved
  2. New York Amendment 4, Apportioning Legislative Districts Amendment (1969) Approved
  3. New York Boundaries of Senate Districts, Amendment 4 (1962) Approved
  4. New York Creation of Assembly and Senate Districts, Amendment 4 (1945) Approved
  5. New York Proposal 1, Create a Redistricting Commission and Alter Redistricting Processes Amendment (2014) Approved
  6. New York Proposal 1, Redistricting Changes Amendment (2021) Defeated
  7. New York Redistricting of Assembly Districts, Amendment 3 (1943) Defeated

North Carolina

  1. North Carolina Increase Size of Senate and Reduce Size of House Amendment (January 1964) Defeated
  2. North Carolina Legislative Reapportionment Amendment (1962) Approved
  3. North Carolina Legislative Representation and Multi-County House Districts Amendment (1968) Approved
  4. North Carolina Senatorial Districts Amendment (1954) Defeated

North Dakota

  1. North Dakota Legislative Apportionment Plan Referendum, Measure 1 (1973) Defeated
  2. North Dakota Legislature Composition and Compensation Referendum, Amendment 6 (1976) Defeated
  3. North Dakota Redistricting Commission Initiative, Amendment 1 (1973) Defeated
  4. North Dakota State Apportionment and Transition Schedule Referendum, Amendment 2 (1978) Approved
  5. North Dakota State Senate Reapportioning Referendum, Amendment 3 (1960) Approved
  6. North Dakota Two Congressional Districts, Referendum 1 (1960) Approved

Ohio

  1. Ohio Apportionment of the General Assembly, Amendment 1 (1889) Defeated
  2. Ohio Apportionment of the General Assembly, Amendment 1 (1893) Defeated
  3. Ohio Congressional District Apportionment Referendum (1915) Defeated
  4. Ohio County Representation, Amendment 2 (1903) Approved
  5. Ohio Establishment of Reapportionment and Redistricting Commission Initiative (1981) Defeated
  6. Ohio House of Representatives Redistricting Amendment (May 1965) Defeated
  7. Ohio Issue 1, Congressional Redistricting Procedures Amendment (May 2018) Approved
  8. Ohio Issue 1, Establish the Citizens Redistricting Commission Initiative (2024) Defeated
  9. Ohio Issue 1, Redistricting Commission Amendment (2015) Approved
  10. Ohio Issue 2, Redistricting Commission Initiative (2012) Defeated
  11. Ohio Issue 4, Redistricting Commission Initiative (2005) Defeated
  12. Ohio Legislative Districts, Amendment 5 (October 1857) Defeated
  13. Ohio Senate Redistricting Amendment (1921) Defeated
  14. Ohio State Legislative Redistricting Amendment (1967) Approved
  15. Ohio State Legislative Redistricting Amendment (May 1967) Defeated

Oklahoma

  1. Oklahoma State Question 243, Legislative Size and Salaries Amendment (1938) Defeated
  2. Oklahoma State Question 357, Congressional Redistricting Initiative (1956) Defeated
  3. Oklahoma State Question 397, Legislative Apportionment Initiative (September 1960) Defeated
  4. Oklahoma State Question 407, Legislature Reapportionment Formula Amendment (September 1961) Defeated
  5. Oklahoma State Question 408, Legislature Reapportionment Initiative (1962) Defeated
  6. Oklahoma State Question 416, Apportionment of State Legislature Amendment (May 1964) Approved
  7. Oklahoma State Question 477, Legislative Reapportionment Amendment (October 1970) Defeated
  8. Oklahoma State Question 523, Requirement of Legislative Apportionment After Census Amendment (1976) Approved
  9. Oklahoma State Question 551, Apportionment of the Legislature Amendment (1980) Defeated
  10. Oklahoma State Question 556, Congressional Redistricting Initiative (1982) Defeated
  11. Oklahoma State Question 748, Legislative Apportionment Commission Amendment (2010) Approved
  12. Oklahoma State Questions 437, Establishment of Congressional Districts Measure (1966) Defeated

Oregon

  1. Oregon Measure 2, Revisions to Legislative District Reapportionment Procedures Amendment (1986) Approved
  2. Oregon Measure 22, Judicial Districts and Elections Initiative (2002) Defeated
  3. Oregon Measure 55, Change Redistricting Date To Allow Term Completion Amendment (2008) Approved
  4. Oregon Measure 9, Legislative Districts Apportionment Formula Initiative (1962) Defeated
  5. Oregon Measure Nos. 306-307, Separate Districts for State Legislators Amendment (1910) Defeated
  6. Oregon Measure Nos. 314-315, Increase Size of Senate and Require Reapportionment Every 10 Years Initiative (1950) Defeated
  7. Oregon Measure Nos. 334-335, Legislative Reapportionment Initiative (1952) Approved

Pennsylvania

  1. Pennsylvania Convention Proposals 1 and 2, State Legislature Size and Apportionment Amendment (April 1968) Approved
  2. Pennsylvania Question 3, Legislative Reapportionment Commission Amendment (1981) Approved

South Dakota

  1. South Dakota Amendment A, Legislative Reapportionment Measure (1948) Approved
  2. South Dakota Amendment A, Legislative Reapportionment Measure (1950) Defeated
  3. South Dakota Amendment A, Legislative Redistricting Reform Measure (1982) Approved
  4. South Dakota Amendment A, Legislature Membership Measure (1938) Defeated
  5. South Dakota Amendment A, Legislature Membership Size Measure (1936) Approved
  6. South Dakota Amendment A, Restructure of Legislative Department Measure (1974) Defeated
  7. South Dakota Amendment B, Legislative Redistricting Revision Measure (2002) Defeated
  8. South Dakota Amendment B, Senate District and County Division Limitations Measure (1960) Defeated
  9. South Dakota Congressional Districts Creation Referendum (1910) Defeated
  10. South Dakota Redistricting Commission, Constitutional Amendment T (2016) Defeated

Texas

  1. Texas Proposition 1, County Justice and Commissioner Precincts Amendment (1908) Defeated
  2. Texas Proposition 1, Legislative Apportionment Amendment (September 1965) Defeated
  3. Texas Proposition 13, Reapportionment of Judicial Districts Amendment (1985) Approved
  4. Texas Proposition 2, Apportionment of County Representatives Amendment (1936) Approved
  5. Texas Proposition 2, Legislative Redistricting Board Amendment (1948) Approved

Utah

  1. Utah Amendment D, Change the Time Frame for Redistricting Requirements Measure (2008) Approved
  2. Utah Make Each County a Senatorial District Amendment (1954) Defeated
  3. Utah Proposition 2, Require Reapportionment After US Census and Adjust Constitutional Language Amendment (1988) Approved
  4. Utah Proposition 4, Independent Advisory Commission on Redistricting Initiative (2018) Approved

Vermont

  1. Vermont Congressional Redistricting Amendment (1986) Approved
  2. Vermont Legislative Redistricting and Size Amendment (1974) Approved

Virgin Islands

  1. U.S. Virgin Islands Legislative Apportionment Initiative (March 2019) Defeated

Virginia

  1. Virginia Question 1, Redistricting Commission Amendment (2020) Approved
  2. Virginia Question 1, Redistricting Procedures Amendment (2004) Approved

Washington

  1. Washington Advancement of Date for Completion of Redistricting Plan, Senate Joint Resolution No. 8210 (2016) Approved
  2. Washington Initiative 199, Adjust Legislative District Boundaries to Equalize Population Measure (1956) Approved
  3. Washington Initiative 211, State Legislative Redistricting Based on Equal Population Measure (1962) Defeated
  4. Washington Initiative 57, State Legislative Redistricting Measure (1930) Approved
  5. Washington Referendum 16, Congressional Redistricting Measure (1966) Approved
  6. Washington SJR 103, Redistricting Commission Amendment (1983) Approved

Wisconsin

  1. Wisconsin Question 1, Legislative Redistricting Advisory Question (1952) Defeated
  2. Wisconsin Question 1, Legislative Redistricting Amendment (April 1953) Overturned
  3. Wisconsin Question 1, Native American Redistricting Exclusion Amendment (1962) Approved
  4. Wisconsin Question 2, Census and Redistricting Amendment (1910) Approved
  5. Wisconsin Question 2, Correction of Redistricting Provision Amendment (1982) Approved
  6. Wisconsin Question 3, Redistricting Time Amendment (April 1963) Defeated

Wyoming

  1. Wyoming Legislative District Apportionment, Amendment A (1996) Defeated


By year

2025

  1. California Proposition 50, Use of Legislative Congressional Redistricting Map Amendment (2025) - On the ballot

2024

  1. Ohio Issue 1, Establish the Citizens Redistricting Commission Initiative (2024) Defeated

2022

  1. American Samoa, Amendment 5, Malaeimi in Representative District 12 Measure (2022) Defeated

2021

  1. New York Proposal 1, Redistricting Changes Amendment (2021) Defeated

2020

  1. Missouri Amendment 3, Redistricting Process and Criteria, Lobbying, and Campaign Finance Amendment (2020) Approved
  2. New Jersey Public Question 3, Delayed State Legislative Redistricting Amendment (2020) Approved
  3. Virginia Question 1, Redistricting Commission Amendment (2020) Approved

2019

  1. U.S. Virgin Islands Legislative Apportionment Initiative (March 2019) Defeated

2018

  1. Colorado Amendment Y, Independent Commission for Congressional Redistricting Amendment (2018) Approved
  2. Colorado Amendment Z, Independent Commission for State Legislative Redistricting Amendment (2018) Approved
  3. Michigan Proposal 2, Independent Redistricting Commission Initiative (2018) Approved
  4. Missouri Amendment 1, Lobbying, Campaign Finance, and Redistricting Initiative (2018) Approved
  5. Ohio Issue 1, Congressional Redistricting Procedures Amendment (May 2018) Approved
  6. Utah Proposition 4, Independent Advisory Commission on Redistricting Initiative (2018) Approved

2016

  1. South Dakota Redistricting Commission, Constitutional Amendment T (2016) Defeated
  2. Washington Advancement of Date for Completion of Redistricting Plan, Senate Joint Resolution No. 8210 (2016) Approved

2015

  1. Ohio Issue 1, Redistricting Commission Amendment (2015) Approved

2014

  1. New York Proposal 1, Create a Redistricting Commission and Alter Redistricting Processes Amendment (2014) Approved

2012

  1. California Proposition 40, State Senate Redistricting Plan Referendum (2012) Approved
  2. Maryland Redistricting Referendum, Question 5 (2012) Approved
  3. Ohio Issue 2, Redistricting Commission Initiative (2012) Defeated

2011

  1. Maine Redistricting Measure, Question 4 (2011) Approved

2010

  1. California Proposition 20, Transfer Congressional Redistricting to Commission Initiative (2010) Approved
  2. California Proposition 27, Elimination of Citizens Redistricting Commission Initiative (2010) Defeated
  3. Florida Amendment 5, Legislative District Requirements Initiative (2010) Approved
  4. Florida Amendment 6, Congressional District Requirements Initiative (2010) Approved
  5. Oklahoma State Question 748, Legislative Apportionment Commission Amendment (2010) Approved

2008

  1. California Proposition 11, Creation of the California Citizens Redistricting Commission Initiative (2008) Approved
  2. Oregon Measure 55, Change Redistricting Date To Allow Term Completion Amendment (2008) Approved
  3. Utah Amendment D, Change the Time Frame for Redistricting Requirements Measure (2008) Approved

2006

  1. Maryland Election Law Revisions, Question 4 (2006) Approved
  2. New Hampshire Representation by District, Question 2 (2006) Approved

2005

  1. California Proposition 77, Transfer Legislative and Congressional Redistricting to Panel of Retired Judges Initiative (2005) Defeated
  2. Ohio Issue 4, Redistricting Commission Initiative (2005) Defeated

2004

  1. Virginia Question 1, Redistricting Procedures Amendment (2004) Approved

2002

  1. Oregon Measure 22, Judicial Districts and Elections Initiative (2002) Defeated
  2. South Dakota Amendment B, Legislative Redistricting Revision Measure (2002) Defeated

2000

  1. Arizona Proposition 106, Redistricting Commission Amendment (2000) Approved
  2. Colorado Referendum B, Timetable for Redistricting Amendment (2000) Approved
  3. Massachusetts Question 1, Implementation of Redistricted Boundaries Amendment (2000) Approved

1998

  1. Alaska Measure 3, Transfer Legislative Redistricting from Governor to Board Amendment (1998) Approved

1996

  1. Wyoming Legislative District Apportionment, Amendment A (1996) Defeated

1995

  1. New Jersey Public Question 1, Redistricting Commission (1995) Approved

1994

  1. Idaho SJR 105, Reapportionment Commission Amendment (1994) Approved

1992

  1. Hawaii Question 1, Redistricting Calendar (1992) Approved
  2. Hawaii Question 4, Establishing a Reapportionment Base (1992) Approved

1990

  1. California Proposition 118, Require Two-Thirds Legislative Vote and Voter Approval for Redistricting Plans Initiative (June 1990) Defeated
  2. California Proposition 119, Creation of Citizens Redistricting Commission Initiative (June 1990) Defeated
  3. Connecticut Question 1, Extend Timetable for Reapportionment Amendment (1990) Approved
  4. Massachusetts Question 1, Use of the Federal Census for Redistricting Amendment (1990) Approved
  5. Mississippi Redistricting, Amendment 1 (1990) Defeated

1988

  1. Hawaii Altering Island Unit Representation, Amendment 7 (1988) Approved
  2. Kansas Legislative Districts, Amendment 1 (1988) Approved
  3. Utah Proposition 2, Require Reapportionment After US Census and Adjust Constitutional Language Amendment (1988) Approved

1986

  1. Idaho Limit Size of Legislature, HJR 4 (1986) Approved
  2. Maine Reapportionment Commission, Constitutional Amendment 10 (1986) Approved
  3. Oregon Measure 2, Revisions to Legislative District Reapportionment Procedures Amendment (1986) Approved
  4. Vermont Congressional Redistricting Amendment (1986) Approved

1985

  1. Texas Proposition 13, Reapportionment of Judicial Districts Amendment (1985) Approved

1984

  1. California Proposition 39, Creation of Redistricting Commission of Retired Judges Initiative (1984) Defeated
  2. Idaho Formation of Legislative Districts, HJR 5 (1984) Defeated
  3. Montana Redistricting After Final Census, C-14 (1984) Approved

1983

  1. Washington SJR 103, Redistricting Commission Amendment (1983) Approved

1982

  1. California Proposition 10, Congressional Redistricting Map Referendum (June 1982) Defeated
  2. California Proposition 11, State Senate Redistricting Map Referendum (June 1982) Defeated
  3. California Proposition 12, State Assembly Redistricting Map Referendum (June 1982) Defeated
  4. California Proposition 14, Redistricting Commission Initiative (1982) Defeated
  5. Missouri Amendment 12, Reapportionment Commission Hearings Measure (1982) Approved
  6. Missouri Amendment 5, Congressional Redistricting Commission Measure (1982) Defeated
  7. Oklahoma State Question 556, Congressional Redistricting Initiative (1982) Defeated
  8. South Dakota Amendment A, Legislative Redistricting Reform Measure (1982) Approved
  9. Wisconsin Question 2, Correction of Redistricting Provision Amendment (1982) Approved

1981

  1. Ohio Establishment of Reapportionment and Redistricting Commission Initiative (1981) Defeated
  2. Pennsylvania Question 3, Legislative Reapportionment Commission Amendment (1981) Approved

1980

  1. California Proposition 6, Equal Population in Districts Reapportionment Amendment (June 1980) Approved
  2. Connecticut Reapportionment Timetable, Question 4 (1980) Approved
  3. Maine State Legislature Apportionment Year, Proposed Constitutional Amendment No. 1 (1980) Approved
  4. Minnesota Reapportionment Commission, Amendment 4 (1980) Defeated
  5. Oklahoma State Question 551, Apportionment of the Legislature Amendment (1980) Defeated

1979

  1. Mississippi Legislative Reapportionment, Amendment 1 (1979) Approved

1978

  1. Florida Amendment 3, Single-Member Legislative Districts and Reapportionment Amendment (1978) Defeated
  2. Missouri Amendment 3, Legislative Redistricting by Appellate Judge Commission Measure (August 1978) Defeated
  3. New Hampshire Legislative Districts Amendment (1978) Approved
  4. North Dakota State Apportionment and Transition Schedule Referendum, Amendment 2 (1978) Approved

1976

  1. Connecticut Reapportionment Procedure, Question 4 (1976) Approved
  2. New Hampshire Legislative Districts Amendment (1976) Defeated
  3. North Dakota Legislature Composition and Compensation Referendum, Amendment 6 (1976) Defeated
  4. Oklahoma State Question 523, Requirement of Legislative Apportionment After Census Amendment (1976) Approved

1975

  1. Maine Single-Member Legislative Districts and Apportionment Commission, Proposed Constitutional Amendment No. 1 (1975) Approved

1974

  1. Colorado Amendment No. 9, Creation of the Colorado Reapportionment Commission Amendment (1974) Approved
  2. Kansas Legislative Reapportionment, Amendment 2 (1974) Approved
  3. Massachusetts Question 2, Reduce Size of House and Change Redistricting Process Amendment (1974) Approved
  4. South Dakota Amendment A, Restructure of Legislative Department Measure (1974) Defeated
  5. Vermont Legislative Redistricting and Size Amendment (1974) Approved

1973

  1. North Dakota Legislative Apportionment Plan Referendum, Measure 1 (1973) Defeated
  2. North Dakota Redistricting Commission Initiative, Amendment 1 (1973) Defeated

1972

  1. Kansas Legislative Apportionment, Amendment 5 (1972) Approved

1970

  1. Iowa Single Member Districts, Amendment 2 (1970) Approved
  2. Maryland Legislative Elections and Districts, Question 5 (1970) Approved
  3. Massachusetts Question 4, Representative and Senatorial Districts Amendment (1970) Approved
  4. Nebraska Amendment 2, Judicial Districts Reapportionment Amendment (1970) Approved
  5. Nevada Question 7, Legislative Redistricting Amendment (1970) Approved
  6. Oklahoma State Question 477, Legislative Reapportionment Amendment (October 1970) Defeated

1969

  1. New York Amendment 4, Apportioning Legislative Districts Amendment (1969) Approved

1968

  1. Arizona Proposition 300, Legislative Redistricting Referendum (1968) Approved
  2. Georgia Amendment 3, Senate Apportionment Measure (1968) Approved
  3. Hawaii Apportionment and Districting of Legislature, Amendment 1 (1968) Approved
  4. Hawaii Constitutional Amendment Proposed by Legislature, Amendment (1968)
  5. Hawaii Provisions for Future Reapportionment, Amendment 2 (1968) Approved
  6. Iowa Legislative Apportionment, Amendment 3 (1968) Approved
  7. Nebraska Amendment 7, University Regents Members Amendment (1968) Approved
  8. North Carolina Legislative Representation and Multi-County House Districts Amendment (1968) Approved
  9. Pennsylvania Convention Proposals 1 and 2, State Legislature Size and Apportionment Amendment (April 1968) Approved

1967

  1. Ohio State Legislative Redistricting Amendment (1967) Approved
  2. Ohio State Legislative Redistricting Amendment (May 1967) Defeated

1966

  1. Colorado Amendment No. 4, State Legislature Membership and Districts Initiative (1966) Approved
  2. Maine Senate Elections, Powers and Apportionment, Proposed Constitutional Amendment (1966) Approved
  3. Missouri Amendment 3, Representative and Senatorial Districts Measure (January 1966) Approved
  4. Montana Apportionment of the Legislature, Amendment 2 (1966) Approved
  5. Nebraska Amendment 13a, Legislative Apportionment Amendment (1966) Approved
  6. Nebraska Amendment 13b, Legislative Representation in Reapportioned Districts Amendment (1966) Approved
  7. Oklahoma State Questions 437, Establishment of Congressional Districts Measure (1966) Defeated
  8. Washington Referendum 16, Congressional Redistricting Measure (1966) Approved

1965

  1. Missouri Amendment 3, State Legislative Apportionment and Staffing Limits Measure (August 1965) Defeated
  2. Ohio House of Representatives Redistricting Amendment (May 1965) Defeated
  3. Texas Proposition 1, Legislative Apportionment Amendment (September 1965) Defeated

1964

  1. Florida Amendment 1, Apportionment of the Legislature Amendment (1964) Defeated
  2. New Hampshire Legislative Redistricting Amendment (1964) Approved
  3. New Hampshire Senate Redistricting Amendment (1964) Approved
  4. North Carolina Increase Size of Senate and Reduce Size of House Amendment (January 1964) Defeated
  5. Oklahoma State Question 416, Apportionment of State Legislature Amendment (May 1964) Approved

1963

  1. Iowa Legislative Apportionment, Amendment 1 (December 1963) Defeated
  2. Maine House of Representatives Elections, Powers and Apportionment, Proposed Constitutional Amendment No. 1 (1963) Defeated
  3. Wisconsin Question 3, Redistricting Time Amendment (April 1963) Defeated

1962

  1. California Proposition 23, Increase Size of Senate and Change Apportionment Rules Initiative (1962) Defeated
  2. Colorado Proposal No. 7, Apportionment of Legislative Districts Initiative (1962) Approved
  3. Colorado Proposal No. 8, Commission for the Reapportionment of the General Assembly Initiative (1962) Defeated
  4. Florida Amendment 1, Apportionment and Number of Legislatures Amendment (1962) Defeated
  5. Maryland Changes in Congressional Districts, Amendment 6 (1962) Defeated
  6. Nebraska Amendment 7, Legislative Reapportionment Amendment (1962) Approved
  7. New York Boundaries of Senate Districts, Amendment 4 (1962) Approved
  8. North Carolina Legislative Reapportionment Amendment (1962) Approved
  9. Oklahoma State Question 408, Legislature Reapportionment Initiative (1962) Defeated
  10. Oregon Measure 9, Legislative Districts Apportionment Formula Initiative (1962) Defeated
  11. Washington Initiative 211, State Legislative Redistricting Based on Equal Population Measure (1962) Defeated
  12. Wisconsin Question 1, Native American Redistricting Exclusion Amendment (1962) Approved

1961

  1. Oklahoma State Question 407, Legislature Reapportionment Formula Amendment (September 1961) Defeated

1960

  1. California Proposition 15, State Senate Reapportionment Formula Initiative (1960) Defeated
  2. Minnesota Legislative Session for Reapportionment, Amendment 2 (1960) Defeated
  3. New Hampshire Census Adjustments, Question 4 (1960) Approved
  4. North Dakota State Senate Reapportioning Referendum, Amendment 3 (1960) Approved
  5. North Dakota Two Congressional Districts, Referendum 1 (1960) Approved
  6. Oklahoma State Question 397, Legislative Apportionment Initiative (September 1960) Defeated
  7. South Dakota Amendment B, Senate District and County Division Limitations Measure (1960) Defeated

1959

  1. Florida Amendment 1, Apportionment of the Legislature Amendment (1959) Defeated

1957

  1. Alabama County Abolition, Amendment 18 (1957) Approved

1956

  1. Arkansas Legislative Apportionment, Proposed Amendment 48 (1956) Approved
  2. Colorado Amendment No. 4, Districting of Senatorial and Representative Districts Initiative (1956) Defeated
  3. Florida Amendment 5, Reapportionment of the Legislature Amendment (1956) Defeated
  4. Oklahoma State Question 357, Congressional Redistricting Initiative (1956) Defeated
  5. Washington Initiative 199, Adjust Legislative District Boundaries to Equalize Population Measure (1956) Approved

1954

  1. Colorado Amendment No. 5, State Legislative Redistricting Measure (1954) Defeated
  2. Illinois Senatorial Apportionment Amendment (1954) Approved
  3. North Carolina Senatorial Districts Amendment (1954) Defeated
  4. Utah Make Each County a Senatorial District Amendment (1954) Defeated

1953

  1. Wisconsin Question 1, Legislative Redistricting Amendment (April 1953) Overturned

1952

  1. Florida Amendment 5, Bay and Washington Counties Senatorial District Amendment (1952) Defeated
  2. Florida Amendment 6, Monroe County Senatorial District Amendment (1952) Defeated
  3. Michigan Proposal 2, Population-Based State Legislative Redistricting Initiative (1952) Defeated
  4. Michigan Proposal 3, Population-Based State House Redistricting and Fixed Senate Districts Initiative (1952) Approved
  5. Oregon Measure Nos. 334-335, Legislative Reapportionment Initiative (1952) Approved
  6. Wisconsin Question 1, Legislative Redistricting Advisory Question (1952) Defeated

1951

  1. Alabama Senate Districts, Amendment 6 (1951) Defeated

1950

  1. Oregon Measure Nos. 314-315, Increase Size of Senate and Require Reapportionment Every 10 Years Initiative (1950) Defeated
  2. South Dakota Amendment A, Legislative Reapportionment Measure (1950) Defeated

1948

  1. California Proposition 13, State Senate Reapportionment Formula Initiative (1948) Defeated
  2. Florida Amendment 3, New Senatorial Districts Amendment (1948) Defeated
  3. South Dakota Amendment A, Legislative Reapportionment Measure (1948) Approved
  4. Texas Proposition 2, Legislative Redistricting Board Amendment (1948) Approved

1945

  1. New York Creation of Assembly and Senate Districts, Amendment 4 (1945) Approved

1944

  1. Florida Amendment 2, Legislative Districts Amendment (1944) Defeated

1943

  1. New York Redistricting of Assembly Districts, Amendment 3 (1943) Defeated

1942

  1. California Proposition 18, State Controller on Reapportionment Commission Amendment (1942) Approved
  2. Florida Amendment 6, Senate Districts and Redistricting Amendment (1942) Defeated

1938

  1. Oklahoma State Question 243, Legislative Size and Salaries Amendment (1938) Defeated
  2. South Dakota Amendment A, Legislature Membership Measure (1938) Defeated

1936

  1. Arkansas Provide for the Board of Apportionment, Amendment 1 (1936) Approved
  2. South Dakota Amendment A, Legislature Membership Size Measure (1936) Approved
  3. Texas Proposition 2, Apportionment of County Representatives Amendment (1936) Approved

1932

  1. Colorado Measure 3, Reapportionment of General Assembly Initiative (1932) Approved
  2. Georgia Amendment 5, Senatorial District Creation Measure (1932) Defeated
  3. Michigan Proposal No. 3, Senators' Terms and Apportionment of Representatives Initiative (1932) Defeated

1931

  1. New York Abolish of State Census for Legislature Redistricting, Amendment 1 (1931) Approved

1930

  1. Arizona Measure Nos. 104-105, Legislative Redistricting Amendment (1930) Defeated
  2. Massachusetts Question 1, Change Redistricting Rules for Town Divisions Amendment (1930) Approved
  3. Michigan Apportionment of the State Legislature Initiative (1930) Defeated
  4. Washington Initiative 57, State Legislative Redistricting Measure (1930) Approved

1928

  1. California Proposition 1, Legislative Redistricting Referendum (1928) Approved
  2. Iowa Apportionment of Senatorial Districts, Amendment 1 (1928) Approved
  3. Michigan Establishment of Legislative Districts Amendment (1928) Approved

1926

  1. California Proposition 20, Reapportionment Commission When Legislature Does Not Adopt Plans Initiative (1926) Defeated
  2. California Proposition 28, Change Senate Apportionment from Equal Population to Counties Initiative (1926) Approved

1924

  1. Arizona Measure Nos. 100-101, Number of Legislators by County Amendment (1924) Defeated
  2. Florida Apportionment of the Legislature Amendment (1924) Approved
  3. Michigan Establishment of Legislative Districts Initiative (1924) Defeated
  4. Missouri Amendment 3, Redistricting, Legislative Processes, Fiscal Year, and Public Benefits Measure (February 1924) Defeated

1922

  1. Colorado Measure 3, Apportionment of General Assembly Initiative (1922) Defeated
  2. Florida Legislative Districts and Representatives Amendment (1922) Defeated
  3. Maryland Legislative Districts, Amendment 1 (1922) Approved
  4. Missouri Proposition 17, Congressional Redistricting Referendum (1922) Defeated
  5. Missouri Proposition 19, Senatorial Redistricting Initiative (1922) Defeated

1921

  1. Ohio Senate Redistricting Amendment (1921) Defeated

1920

  1. Nebraska Amendment 12, Elimination of Legislative Apportionment Provision Amendment (September 1920) Approved
  2. Nebraska Amendment 5, Legislative Apportionment Amendment (September 1920) Approved

1918

  1. Arizona Measure Nos. 102-103, Number of Legislative Districts per County Based on Population Initiative (1918) Approved

1917

  1. Maine Town Merger Apportionment of Representatives, Proposed Amendment No. 5 (1917) Approved

1916

  1. Arizona Measure Nos. 106-107, Legislative Redistricting Amendment (1916) Defeated
  2. Florida Reapportionment of the Legislature Amendment (1916) Defeated

1915

  1. Ohio Congressional District Apportionment Referendum (1915) Defeated

1912

  1. Idaho Senate and House of Representatives Composition, HJR 13 (1912) Approved
  2. New Hampshire Councilor Districts, Question 11 (1912) Approved

1910

  1. Minnesota Authorize Legislative Reapportionment, Amendment 4 (1910) Defeated
  2. Oregon Measure Nos. 306-307, Separate Districts for State Legislators Amendment (1910) Defeated
  3. South Dakota Congressional Districts Creation Referendum (1910) Defeated
  4. Wisconsin Question 2, Census and Redistricting Amendment (1910) Approved

1908

  1. Texas Proposition 1, County Justice and Commissioner Precincts Amendment (1908) Defeated

1904

  1. Iowa Legislative Apportionment, Amendment 2 (1904) Approved

1903

  1. New Hampshire Legislative Apportionment, Question 9 (1903) Defeated
  2. New Hampshire Legislature to Establish Voting Precincts, Question 10 (1903) Defeated
  3. Ohio County Representation, Amendment 2 (1903) Approved

1900

  1. Florida Representation of New Counties Amendment (1900) Approved

1893

  1. Ohio Apportionment of the General Assembly, Amendment 1 (1893) Defeated

1889

  1. Ohio Apportionment of the General Assembly, Amendment 1 (1889) Defeated

1857

  1. Ohio Legislative Districts, Amendment 5 (October 1857) Defeated

See also