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Iowa State Senate District 1

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Iowa State Senate District 1
Incumbent
Assumed office: September 15, 2025

Iowa State Senate District 1 is represented by Catelin Drey (D).

As of the 2020 Census, Iowa state senators represented an average of 63,848 residents. After the 2010 Census, each member represented 61,076 residents.



About the chamber

Members of the Iowa State Senate serve four-year terms and are not subject to term limits. Half of the senate is up for re-election every two years. Iowa state senators assume office on the first day of January which is not a Sunday or legal holiday.[1][2]

Qualifications

See also: State legislature candidate requirements by state

The Iowa Constitution states, "Senators shall be chosen for the term of four years, at the same time and place as representatives; they shall be twenty-five years of age, and possess the qualifications of representatives as to residence and citizenship."[3]


Salaries

See also: Comparison of state legislative salaries
State legislative salaries, 2024[4]
SalaryPer diem
$25,000/year$178/day for legislators who live outside of Polk County. $133.50/day for legislators who live within Polk County.

Vacancies

See also: How vacancies are filled in state legislatures

If there is a vacancy in the Iowa General Assembly, the vacant seat must be filled by a special election. The governor of Iowa is required within five days of a vacancy in the General Assembly to call for a special election. If the vacancy happens in session or within 45 days of the session convening, the governor must call for an election as soon as possible with at least an 18-day notice. All other special elections require a 40-day notice as long the election does not happen on the same day as a school election within the district.[5]

DocumentIcon.jpg See sources: Iowa Code § 69.14


District map

Redistricting

2020 redistricting cycle

See also: Redistricting in Iowa after the 2020 census

On November 4, 2021, Iowa Gov. Kim Reynolds (R) signed new congressional and state legislative maps into law after the state's Legislative Services Agency had proposed them on October 21, 2021. The Iowa legislature approved the maps on October 28, 2021, by a vote of 48-1 in the state Senate and 93-2 in the state House.[6] The legislature could only vote to approve or reject the maps and could not make any amendments. These maps took effect for Iowa's 2022 congressional and legislative elections.

How does redistricting in Iowa work? The Legislative Services Agency prepares redistricting plans for approval by the Iowa State Legislature. According to All About Redistricting, the Legislative Services Agency (LSA) consists of "civil servants committed to nonpartisanship and otherwise charged with tasks like legal and fiscal analysis of state legislation and state government oversight." The LSA is assisted by a commission, which consists of the following members:[7]

  1. one member selected by the majority leader of the Iowa State Senate
  2. one member selected by the majority leader of the Iowa House of Representatives
  3. one member selected by the minority leader of the Iowa State Senate
  4. one member selected by the minority leader of the Iowa House of Representatives
  5. one member selected by the first four members

The members of this commission cannot "hold partisan public office or an office in a political party, and none may be a relative or employee of a federal or state legislator (or the legislature as a whole)."[7]

Working with this commission, the LSA drafts congressional and state legislative district lines. The maps are presented as a single bill to the state legislature, which may approve or reject the bill without altering it (the legislature can provide feedback). If the legislature rejects the plan, the LSA must draft a second proposal. If the legislature rejects the second proposal, the LSA must draft a third, and final, set of maps. If the legislature rejects this plan, it may then approve its own maps. Since the implementation of this process in 1980, the state legislature has never chosen not to approve an LSA proposal. Redistricting plans are also subject to gubernatorial veto. In addition, the legislature may repeal or revise the maps at any time, though it has never done so.[7]

State law establishes the following criteria for both congressional and state legislative districts:[7]

  1. Districts must be "convenient and contiguous."
  2. Districts must "preserve the integrity of political subdivisions like counties and cities."
  3. Districts must "to the extent consistent with other requirements, [be] reasonably compact–defined in terms of regular polygons, comparisons of length and width, and overall boundary perimeter."

In addition, state House districts are required to be contained within state Senate districts "where possible, and where not in conflict with the criteria above." It is explicit in state law that district lines cannot be drawn "to favor a political party, incumbent, or other person or group."[7]

Iowa State Senate District 1
until January 2, 2023

Click a district to compare boundaries.

Iowa State Senate District 1
starting January 3, 2023

Click a district to compare boundaries.

Elections

2025

See also: Iowa State Senate District 1 special election, 2025

A special election for Iowa State Senate District 1 was called for August 26, 2025. The candidate filing deadline was August 1, 2025.[8]

The seat became vacant after Rocky De Witt (R) passed away on June 25, 2025.[9]

General election

Special general election for Iowa State Senate District 1

Catelin Drey defeated Christopher Prosch in the special general election for Iowa State Senate District 1 on August 26, 2025.

Candidate
%
Votes
Image of Catelin Drey
Catelin Drey (D)
 
55.2
 
4,208
Image of Christopher Prosch
Christopher Prosch (R)
 
44.8
 
3,411

Total votes: 7,619
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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2022

See also: Iowa State Senate elections, 2022

General election

General election for Iowa State Senate District 1

Rocky De Witt defeated incumbent Jackie Smith in the general election for Iowa State Senate District 1 on November 8, 2022.

Candidate
%
Votes
Image of Rocky De Witt
Rocky De Witt (R)
 
55.1
 
7,700
Image of Jackie Smith
Jackie Smith (D)
 
44.7
 
6,256
 Other/Write-in votes
 
0.2
 
30

Total votes: 13,986
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Democratic primary election

Democratic primary for Iowa State Senate District 1

Incumbent Jackie Smith advanced from the Democratic primary for Iowa State Senate District 1 on June 7, 2022.

Candidate
%
Votes
Image of Jackie Smith
Jackie Smith
 
100.0
 
1,554

Total votes: 1,554
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Republican primary election

Republican primary for Iowa State Senate District 1

Rocky De Witt advanced from the Republican primary for Iowa State Senate District 1 on June 7, 2022.

Candidate
%
Votes
Image of Rocky De Witt
Rocky De Witt
 
98.9
 
2,214
 Other/Write-in votes
 
1.1
 
24

Total votes: 2,238
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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2021

See also: Iowa state legislative special elections, 2021

A special election for District 1 of the Iowa State Senate was called for December 14, 2021.[10] Candidates running for special elections in Iowa are selected by their respective political parties in conventions. The candidate filing deadline was November 19, 2021.[11]

The seat became vacant after Zach Whiting (R) resigned on October 30, 2021, to take a job with the Texas Public Policy Foundation.[12]

General election

Special general election for Iowa State Senate District 1

Dave Rowley defeated Mark Lemke in the special general election for Iowa State Senate District 1 on December 14, 2021.

Candidate
%
Votes
Image of Dave Rowley
Dave Rowley (R)
 
75.6
 
2,690
Mark Lemke (D)
 
24.3
 
864
 Other/Write-in votes
 
0.1
 
5

Total votes: 3,559
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Withdrawn or disqualified candidates


2018

See also: Iowa State Senate elections, 2018

General election

General election for Iowa State Senate District 1

Zach Whiting won election in the general election for Iowa State Senate District 1 on November 6, 2018.

Candidate
%
Votes
Zach Whiting (R)
 
98.2
 
21,245
 Other/Write-in votes
 
1.8
 
384

Total votes: 21,629
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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Republican primary election

Republican primary for Iowa State Senate District 1

Zach Whiting defeated Brad Price and Jesse Wolfe in the Republican primary for Iowa State Senate District 1 on June 5, 2018.

Candidate
%
Votes
Zach Whiting
 
62.4
 
3,539
Brad Price
 
22.7
 
1,288
Jesse Wolfe
 
14.9
 
844

Total votes: 5,671
Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
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2014

See also: Iowa State Senate elections, 2014

Elections for the Iowa State Senate took place in 2014. A primary election took place on June 3, 2014. The general election was held on November 4, 2014. The signature filing deadline for candidates wishing to run in this election was March 14, 2014. Incumbent David Johnson was unopposed in the Republican primary and was unchallenged in the general election.[13][14][15][16]

2010

See also: Iowa State Senate elections, 2010

Elections for the office of Iowa State Senate consisted of a primary election on June 8, 2010, and a general election on November 2, 2010. The signature filing deadline for candidates wishing to run in this election was March 19, 2010. Rick Bertrand (R) defeated Rick Mullin (D) in the general election. Neither candidate faced opposition in their primary.[17][18]

Iowa State Senate, District 1, General Election, 2010
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngRick Bertrand 50.7% 7,581
     Democratic Rick Mullin 49.3% 7,359
Total Votes 14,940

Campaign contributions

From 2000 to 2022, candidates for Iowa State Senate District 1 raised a total of $2,110,922. Candidates who raised money in contributions earned $95,951 on average. All figures come from Follow the Money

Campaign contributions, Iowa State Senate District 1
Year Amount Candidates Average
2022 $1,048,248 2 $524,124
2021 $7,279 2 $3,640
2018 $46,821 3 $15,607
2014 $46,750 1 $46,750
2012 $102,063 2 $51,032
2010 $424,791 2 $212,396
2008 $158,031 2 $79,016
2006 $24,245 2 $12,123
2004 $61,615 2 $30,808
2002 $34,382 2 $17,191
2000 $156,696 2 $78,348
Total $2,110,922 22 $95,951


See also

External links

Footnotes

  1. JUSTIA US Law, "Iowa Code, Section 39.8 - Term of office," accessed November 1, 2021
  2. Iowa Secretary of State, "Terms of Offices for Elected Officials," accessed November 1, 2021
  3. Iowa Constitution, "Article 3, Section 5," accessed May 21, 2025
  4. National Conference of State Legislatures, "2024 Legislator Compensation," August 21, 2024
  5. Iowa General Assembly, "Iowa Code - 2021," accessed February 9, 2021 (Statute 69.14)
  6. Des Moines Register, "Iowa lawmakers accept second redistricting plan, setting up next decade of politics," October 28, 2021
  7. 7.0 7.1 7.2 7.3 7.4 All About Redistricting, "Iowa," accessed April 21, 2015
  8. Iowa Secretary of State, "State Senate District 1 Special Election," accessed July 1, 2025
  9. KCCI, "Iowa state Sen. Rocky De Witt dies after cancer battle," June 25, 2025
  10. Office of the Governor of Iowa, "Gov. Reynolds sets date for Iowa Senate District 1 special election ," November 3, 2021
  11. Iowa Secretary of State, "State Senate District 1 – Special Election," accessed November 9, 2021
  12. KTIV 4, "Spirit Lake, IA State Senator Zach Whiting will resign seat," October 28, 2021
  13. Iowa Secretary of State, "Official primary election candidate list," accessed March 18, 2014
  14. Iowa Secretary of State, "Official primary election results," accessed June 30, 2014
  15. Iowa Secretary of State, "Official general election candidate list," accessed July 7, 2014
  16. Iowa Secretary of State, "Official general election results," accessed December 1, 2014
  17. "2010 Iowa Primary Results," October 16, 2013
  18. "Official Iowa State Senate November 2, 2010 Election Results," accessed October 16, 2013


Current members of the Iowa State Senate
Leadership
Senate President:Amy Sinclair
Minority Leader:Janice Weiner
Senators
District 1
District 2
District 3
District 4
District 5
District 6
District 7
District 8
District 9
District 10
District 11
District 12
District 13
District 14
District 15
District 16
District 17
District 18
District 19
District 20
Mike Pike (R)
District 21
District 22
District 23
District 24
District 25
District 26
District 27
District 28
District 29
District 30
District 31
District 32
District 33
District 34
District 35
District 36
District 37
District 38
District 39
District 40
Art Staed (D)
District 41
District 42
District 43
District 44
District 45
District 46
District 47
District 48
District 49
District 50
Republican Party (33)
Democratic Party (17)