Iowa State Senate seat · lines in effect since 2022
Iowa Senate District 4
A district of about 63,000 people, 22% of adults with a bachelor's degree. It votes R+39.1 relative to the nation for president.
2024 election
Nov 5, 2024- Tim Kraayenbrink (R) · won97.8%
- Write-ins and other votes (OTH)2.2%
Unopposed.
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 50 seats
Every Iowa State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
16 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Tim Kraayenbrink (R) | — | Unopposed |
| 2022 | Tim Kraayenbrink (R) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Dennis Guth (R) | — | Unopposed |
| 2016 | Dennis Guth (R) | Susan Bangert (D) | 21.4 |
| 2012 | Dennis Guth (R) | Bob Jennings (D) | 5.7 |
| Lines first used in 2002 | |||
| 2008 | John P. Kibbie (D) | Ken Vaske (I) | 42.7 |
| 2004 | John P. Kibbie (D) | Harley Kohlhaas (R) | 20.0 |
| Lines first used in 1992 | |||
| 2000 | John P. Kibbie (D) | Jeffrey Thee (R) | 22.9 |
| 1996 | John P. Kibbie (D) | Dan Payne (R) | 15.6 |
| 1992 | John P. Kibbie (D) | Lannie Miller (R) | 21.2 |
| Lines first used in 1982 | |||
| 1988 | Richard Vandehoef (R) | Dennis Tangeman (D) | 37.9 |
| 1984 | Richard Vandehoef (R) | — | Unopposed |
| Lines first used in 1972 | |||
| 1980 | Berl E. Priebe (D) | — | Unopposed |
| 1976 | Berl E. Priebe (D) | — | Unopposed |
| 1972 | Berl E. Priebe (D) | Wayne Keith (R) | 12.3 |
| Lines first used in 1962 | |||
| 1968 | Quentin V. Anderson (R) | Franklin S. Main (D) | 11.0 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 4
The state's districts in other chambers that share residents with this one, and the share of District 4's area in each.
- U.S. House
- IA-4 100%
Who lives here, compared
Grey bars show the spread of all 50 seats. Small marks are other seats in Iowa. The black marker is District 4.
Lower than 90% of seats.
Higher than 90% of seats.
Higher than 53% of seats.
Higher than 53% of seats.
Lower than 80% of seats.
Less dense than 88% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 525% college gradsR+40.2Held RDistrict 12
22% college gradsR+43.3Not up in 2026District 13
IowaR+39.4Held RDistrict 9
21% college gradsR+42.5Held R
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET