Iowa State Senate seat · lines in effect since 2022
Iowa Senate District 46
A district of about 76,000 people, 37% of adults with a bachelor's degree. It votes R+12.7 relative to the nation for president.
2024 election
Nov 5, 2024- Dawn Driscoll (R) · won60.7%
- Ed Chabal (D)39.2%
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
17 races since 1968; the seat changed party 3 times. 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 | Dawn Driscoll (R) | Ed Chabal (D) | 21.4 |
| 2022 | Dawn Driscoll (R) | Kevin Kinney (D) | 8.0 |
| Lines first used in 2012 | |||
| 2020 | Mark Lofgren (R) | Chris Brase (D) | 18.7 |
| 2016 | Mark Lofgren (R)Flip | Chris Brase (D) | 13.6 |
| 2012 | Chris Brase (D) | Shawn Hamerlinck (R) | 6.7 |
| Lines first used in 2002 | |||
| 2008 | Eugene Fraise (D) | Doug P. Abolt (R) | 13.9 |
| 2004 | Eugene Fraise (D) | Doug P. Abolt (R) | 6.5 |
| Lines first used in 1992 | |||
| 2000 | Paul McKinley (R)Flip | John Judge (D) | 6.3 |
| 1996 | Patty Judge (D) | Claude Neill (R) | 22.3 |
| 1992 | Patty Judge (D) | Richard Arnold (R) | 4.3 |
| Lines first used in 1982 | |||
| 1988 | Leonard L. Boswell (D) | Gene Smith (R) | 29.4 |
| 1984 | Leonard L. Boswell (D) | L. W. Gross (R) | 3.5 |
| Lines first used in 1972 | |||
| 1980 | Bass Vangilst (D) | James M. Bellamy (R) | 3.9 |
| 1976 | Bass Vangilst (D) | Lou Fusco (R) | 32.6 |
| 1972 | Bass Vangilst (D) | John C. Rhodes (R) | 4.0 |
| Lines first used in 1962 | |||
| 1970 | Charles P. Miller (D)Flip | Milton C. Titus (R) | 6.6 |
| 1968 | J. Leslie Leonard (R) | Merle W. Hagedorn (D) | 12.5 |
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 46
The state's districts in other chambers that share residents with this one, and the share of District 46's area in each.
- U.S. House
- IA-1 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | R+13.8 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
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 46.
Higher than 76% of seats.
Lower than 63% of seats.
Higher than 61% of seats.
Lower than 59% of seats.
Higher than 59% of seats.
Less dense than 59% 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 3839% college gradsR+3.6Not up in 2026District 24
30% college gradsR+22.0Not up in 2026District 42
33% college gradsR+18.0Not up in 2026District 11
32% college gradsR+21.4Held 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