Iowa state legislative election results, 2024
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The sections below contain analysis of election results in the state legislative elections for Iowa in 2024.
General election results
Senate
- See also: Iowa State Senate elections, 2024
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 Eric Giddens Incumbent | Democratic | Lost General | |
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 Charlie McClintock Incumbent | Republican | Won General | |
 Adrian Dickey Incumbent | Republican | Won General | |
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= candidate completed the Ballotpedia Candidate Connection survey.
House
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 Robert Henderson Incumbent | Republican | Won General | |
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 Cindy Golding Incumbent | Republican | Won General | |
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= candidate completed the Ballotpedia Candidate Connection survey.
Retiring incumbents
Senate
House
Primary election competitiveness
This section contains data on state legislative primary election competitiveness in Iowa. These totals include data from all regularly-scheduled House and Senate elections. For more information about Ballotpedia's competitiveness analysis of state legislative elections, please click here.
Post-filing deadline analysis
The following analysis covers all state legislative districts up for election in Iowa in 2024. Information below was calculated on April 10, 2024, and may differ from information shown in the table above due to candidate replacements and withdrawals after that time.
There were 125 state legislative seats up for election this year in Iowa. Across those, 16 incumbents (three in the Senate and 13 in the House) did not file to run for re-election. From 2010 to 2022, the average number of retirements per cycle was 22. In 2022, 40 incumbents (11 in the Senate and 29 in the House) did not run for re-election.
The total number of contested primaries also declined in 2024 compared to the previous cycle. In 2024, there were five total Democratic primaries (one in the Senate and four in the House) and 17 Republican primaries (three in the Senate and 14 in the House). In 2022, there were 13 Democratic primaries (five in the Senate and eight in the House) and 31 Republican primaries (six in the Senate and 25 in the House).
Twenty-five of the 50 Senate seats and all 100 House seats were up for election in 2024.
Senate
The table below shows the number and percentage of open seats in the Iowa State Senate from 2010 to 2024.[1]
| Open Seats in Iowa State Senate elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 25 | 3 (12 percent) | 22 (88 percent) |
| 2022 | 34 | 13 (38 percent) | 21 (62 percent) |
| 2020 | 25 | 7 (28 percent) | 18 (72 percent) |
| 2018 | 25 | 7 (28 percent) | 18 (72 percent) |
| 2016 | 25 | 1 (4 percent) | 24 (96 percent) |
| 2014 | 25 | 5 (20 percent) | 20 (80 percent) |
| 2012 | 26 | 8 (31 percent) | 18 (69 percent) |
| 2010 | 25 | 3 (12 percent) | 22 (88 percent) |
House
The table below shows the number and percentage of open seats in the Iowa House of Representatives from 2010 to 2024.[2]
| Open Seats in Iowa House of Representatives elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 100 | 13 (13 percent) | 87 (87 percent) |
| 2022 | 100 | 33 (33 percent) | 67 (67 percent) |
| 2020 | 100 | 11 (11 percent) | 89 (89 percent) |
| 2018 | 100 | 17 (17 percent) | 83 (83 percent) |
| 2016 | 100 | 13 (13 percent) | 87 (87 percent) |
| 2014 | 100 | 11 (11 percent) | 89 (89 percent) |
| 2012 | 100 | 17 (17 percent) | 83 (83 percent) |
| 2010 | 100 | 14 (14 percent) | 86 (86 percent) |
See also
- Elections
- Elections calendar
- Elections by state and year
- State Poll Opening and Closing Times
- State legislative elections, 2024
Footnotes
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
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