Iowa's 1st Congressional District election (June 5, 2018 Republican primary)
- General election: Nov. 6
- Voter registration deadline: Oct. 27
- Early voting: Oct. 8 - Nov. 5
- Absentee voting deadline: Nov. 6
- Online registration: Yes
- Same-day registration: Yes
- Voter ID: ID required
- Poll times: 7:00 a.m. to 9:00 p.m.
2020 →
← 2016
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| Iowa's 1st Congressional District |
|---|
 |
| Democratic primary Republican primary General election |
| Election details |
| Filing deadline: March 16, 2018 |
| Primary: June 5, 2018 General: November 6, 2018 Pre-election incumbent: Rod Blum (Republican) |
| How to vote |
| Poll times: 7 a.m. to 9 p.m. Voting in Iowa |
| Race ratings |
Cook Political Report: Lean Democratic Inside Elections: Lean Democratic Sabato's Crystal Ball: Lean Democratic |
| Ballotpedia analysis |
| U.S. Senate battlegrounds U.S. House battlegrounds Federal and state primary competitiveness Ballotpedia's Election Analysis Hub, 2018 |
| See also |
1st • 2nd • 3rd • 4th Iowa elections, 2018 U.S. Congress elections, 2018 U.S. Senate elections, 2018 U.S. House elections, 2018 |
A Republican Party primary election took place on June 5, 2018, in Iowa's 1st District to determine which Republican would run in the district's November 6, 2018, general election. This seat was rated Toss-up by media outlets as of January 2, 2018.[1]
This page focuses on the Republican primary. For an overview of the election in general, click here.
| Candidate Filing Deadline | Primary Election | General Election |
|---|---|---|
Candidates and election results
Incumbent Rod Blum advanced from the Republican primary for U.S. House Iowa District 1 on June 5, 2018.
Republican primary election
Republican primary for U.S. House Iowa District 1
Candidate | % | Votes | ||
| ✔ |  | Rod Blum | 100.0 | 14,737 |
| Total votes: 14,737 | |||
 = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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District analysis
- See also: The Cook Political Report's Partisan Voter Index
- See also: FiveThirtyEight's elasticity scores
The 2017 Cook Partisan Voter Index for this district was D+1, meaning that in the previous two presidential elections, this district's results were 1 percentage point more Democratic than the national average. This made Iowa's 1st Congressional District the 190th most Democratic nationally.[2]
FiveThirtyEight's September 2018 elasticity score for states and congressional districts measured "how sensitive it is to changes in the national political environment." This district's elasticity score was 1.06. This means that for every 1 point the national political mood moved toward a party, the district was expected to move 1.06 points toward that party.[3]
Campaign finance
The table below contains data from FEC Quarterly October 2017 reports. It includes only candidates who reported at least $10,000 in campaign contributions as of September 30, 2017.[4]
Republicans
Race ratings
- See also: Race rating definitions and methods
| Race ratings: Iowa's 1st Congressional District election, 2018 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Race tracker | Race ratings | ||||||||
| October 30, 2018 | October 23, 2018 | October 16, 2018 | October 9, 2018 | ||||||
| The Cook Political Report | Lean Democratic | Lean Democratic | Lean Democratic | Lean Democratic | |||||
| Inside Elections with Nathan L. Gonzales | Lean Democratic | Lean Democratic | Lean Democratic | Lean Democratic | |||||
| Larry J. Sabato's Crystal Ball | Lean Democratic | Lean Democratic | Lean Democratic | Lean Democratic | |||||
| Note: Ballotpedia updates external race ratings every two weeks throughout the election season. | |||||||||
State overview
Partisan control
This section details the partisan control of federal and state positions in Iowa heading into the 2018 elections.
Congressional delegation
- Following the 2016 elections, Republicans held both U.S. Senate seats in Iowa.
- Republicans held three U.S. House seats in Iowa and a Democrat held the fourth.
State executives
- As of September 2018, Republicans held five of 12 state executive positions, Democrats held two, and the remaining positions were officially nonpartisan.
- The governor of Iowa was Republican Kim Reynolds. The state held elections for governor and lieutenant governor on November 6, 2018.
State legislature
- Republicans controlled both chambers of the Iowa General Assembly. They had a 58-41 majority in the state House and a 29-20 majority in the state Senate.
Trifecta status
- Iowa had a Republican trifecta, meaning that the Republican Party controlled both chambers of the state legislature and the governorship. Kim Reynolds (R) served as governor; she succeeded Terry E. Branstad, who resigned on May 24, 2017, to take the position of U.S. Ambassador to China.
2018 elections
- See also: Iowa elections, 2018
Iowa held elections for the following positions in 2018:
- 4 U.S. House seats
- Governor and lieutenant governor
- 5 lower state executive positions
- 25 of 50 state Senate seats
- 100 state House seats
- 2 state legislative seats in special elections
Demographics
| Demographic data for Iowa | ||
|---|---|---|
| Iowa | U.S. | |
| Total population: | 3,121,997 | 316,515,021 |
| Land area (sq mi): | 55,857 | 3,531,905 |
| Race and ethnicity** | ||
| White: | 91.2% | 73.6% |
| Black/African American: | 3.2% | 12.6% |
| Asian: | 2% | 5.1% |
| Native American: | 0.3% | 0.8% |
| Pacific Islander: | 0.1% | 0.2% |
| Two or more: | 2% | 3% |
| Hispanic/Latino: | 5.4% | 17.1% |
| Education | ||
| High school graduation rate: | 91.5% | 86.7% |
| College graduation rate: | 26.7% | 29.8% |
| Income | ||
| Median household income: | $53,183 | $53,889 |
| Persons below poverty level: | 13.8% | 11.3% |
| Source: U.S. Census Bureau, "American Community Survey" (5-year estimates 2010-2015) Click here for more information on the 2020 census and here for more on its impact on the redistricting process in Iowa. **Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here. | ||
As of July 2016, Iowa's three largest cities were Des Moines (pop. est. 220,000), Cedar Rapids (pop. est. 130,000), and Davenport (pop. est. 100,000).[5]
State election history
This section provides an overview of federal and state elections in Iowa from 2000 to 2016. All data comes from the Iowa Secretary of State website.
Historical elections
Presidential elections, 2000-2016
This chart shows the results of the presidential election in Iowa every year from 2000 to 2016.
| Election results (President of the United States), Iowa 2000-2016 | |||||
|---|---|---|---|---|---|
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
| 2016 | Donald Trump |
50.7% |  Hillary Clinton |
41.3% | 9.4% |
| 2012 | Barack Obama |
51.7% | Mitt Romney |
46.0% | 5.7% |
| 2008 | Barack Obama |
53.7% | John McCain |
44.2% | 9.5% |
| 2004 | George W. Bush |
49.9% | John Kerry |
49.2% | 0.7% |
| 2000 | Al Gore |
48.5% | George W. Bush |
48.2% | 0.3% |
U.S. Senate elections, 2000-2016
This chart shows the results of U.S. Senate races in Iowa from 2000 to 2016. Every state has two Senate seats, and each seat goes up for election every six years. The terms of the seats are staggered so that roughly one-third of the seats are up every two years.
| Election results (U.S. Senator), Iowa 2000-2016 | |||||
|---|---|---|---|---|---|
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
| 2016 | Chuck Grassley |
60.1% | Patty Judge |
35.7% | 24.4% |
| 2014 | Joni Ernst |
51.5% | Bruce Braley |
43.3% | 8.2% |
| 2010 | Chuck Grassley |
63.4% | Roxanne Conlin |
32.8% | 30.6% |
| 2008 | Tom Harkin |
61.4% | Christopher Reed |
36.5% | 24.9% |
| 2004 | Chuck Grassley |
70.2% | Arthur Small |
27.9% | 42.3% |
| 2002 | Tom Harkin |
54.2% | Greg Ganske |
43.8% | 10.4% |
Gubernatorial elections, 2000-2016
This chart shows the results of the four gubernatorial elections held between 2000 and 2016. Gubernatorial elections are held every four years in Iowa.
| Election results (Governor), Iowa 2000-2016 | |||||
|---|---|---|---|---|---|
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
| 2014 | Terry Branstad |
58.4% | Jack Hatch |
36.9% | 21.5% |
| 2010 | Terry Branstad |
52.3% | Chet Culver |
42.8% | 9.5% |
| 2006 | Chet Culver |
53.7% | Jim Nussle |
44.1% | 9.6% |
| 2002 | Tom Vilsack |
52.7% | Doug Gross |
44.5% | 8.2% |
Congressional delegation, 2000-2016
This chart shows the number of Democrats and Republicans who were elected to represent Iowa in the U.S. House from 2000 to 2016. Elections for U.S. House seats are held every two years.
| Congressional delegation, Iowa 2000-2016 | |||||
|---|---|---|---|---|---|
| Year | Republicans | Republicans (%) | Democrats | Democrats (%) | Balance of power |
| 2016 | 3 |
75.0% | 1 |
25.0% | R+2 |
| 2014 | 3 |
75.0% | 1 |
25.0% | R+2 |
| 2012[6] | 2 |
50.0% | 2 |
50.0% | Split |
| 2010 | 2 |
40.0% | 3 |
60.0% | D+1 |
| 2008 | 2 |
40.0% | 3 |
60.0% | D+1 |
| 2006 | 2 |
40.0% | 3 |
60.0% | D+1 |
| 2004 | 4 |
80.0% | 1 |
20.0% | R+3 |
| 2002 | 4 |
80.0% | 1 |
20.0% | R+3 |
| 2000 | 4 |
80.0% | 1 |
20.0% | R+3 |
Trifectas, 1992-2017
A state government trifecta occurs when one party controls both chambers of the state legislature and the governor's office.
Iowa Party Control: 1992-2025
Four years of Democratic trifectas • Eleven years of Republican trifectas
Scroll left and right on the table below to view more years.
| Year | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Governor | R | R | R | R | R | R | R | D | D | D | D | D | D | D | D | D | D | D | D | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| Senate | D | D | D | D | D | R | R | R | R | R | R | R | R | S | S | D | D | D | D | D | D | D | D | D | D | R | R | R | R | R | R | R | R | R |
| House | D | R | R | R | R | R | R | R | R | R | R | R | R | R | R | D | D | D | D | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
See also
- United States House of Representatives elections in Iowa, 2018
- United States House elections in Iowa (June 5, 2018 Republican primaries)
- Iowa's 1st Congressional District election (June 5, 2018 Democratic primary)
- United States House of Representatives elections, 2018
Footnotes
- ↑ Ratings are based on projections found in Governing, Larry Sabato, The Rothenberg & Gonzales Political Report, Decision Desk HQ, and The Cook Political Report. These ratings are updated periodically throughout the election season.
- ↑ Cook Political Report, "Introducing the 2017 Cook Political Report Partisan Voter Index," April 7, 2017
- ↑ FiveThirtyEight, "Election Update: The Most (And Least) Elastic States And Districts," September 6, 2018
- ↑ FEC, "Federal Election Commission," accessed November 5, 2017
- ↑ Iowa Demographics, "Iowa Cities by Population," accessed September 4, 2018
- ↑ Iowa lost one U.S. House seat following the 2010 census.
