Iowa State Senate seat · lines in effect since 2022
Iowa Senate District 40
A district of about 63,000 people, 34% of adults with a bachelor's degree. It votes D+13.7 relative to the nation for president.
2024 election
Nov 5, 2024- Art Staed (D) · won55.1%
- Kris G. Gulick (R)44.8%
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 1972; the seat changed party 1 time. 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 | Art Staed (D) | Kris G. Gulick (R) | 10.3 |
| 2022 | Todd Taylor (D) | Kris G. Gulick (R) | 9.3 |
| Lines first used in 2012 | |||
| 2020 | Ken Rozenboom (R) | Lance Roorda (D) | 43.0 |
| 2016 | Ken Rozenboom (R) | — | Unopposed |
| 2012 | Ken Rozenboom (R) | Tim Tripp (D) | 20.3 |
| Lines first used in 2002 | |||
| 2008 | Jim Hahn (R) | Sharon Savage (D) | 4.4 |
| 2004 | Jim Hahn (R) | Thomas L. Fiegen (D) | 7.1 |
| 2002 | Richard F. Drake (R) | Thomas L. Fiegen (D) | 1.8 |
| Lines first used in 1992 | |||
| 2000 | Jerry Behn (R) | Joan Phillips (D) | 15.7 |
| 1996 | Jerry Behn (R)Flip | Albert G. Sorrensen (D) | 4.6 |
| 1992 | Albert G. Sorrensen (D) | Don Riemenschneider (R) | 14.7 |
| Lines first used in 1982 | |||
| 1988 | George R. Kinley (D) | Virginia Johnston (R) | 49.5 |
| 1984 | George R. Kinley (D) | Virginia Johnston (R) | 38.5 |
| Lines first used in 1972 | |||
| 1980 | Edgar H. Holden (R) | Mary Johnson (D) | 11.7 |
| 1976 | Elizabeth Shaw (R) | Steven F. Altheimer (D) | 24.3 |
| 1972 | Elizabeth Shaw (R) | Bruce Q. Buerkens (D) | 21.2 |
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 40
The state's districts in other chambers that share residents with this one, and the share of District 40's area in each.
- U.S. House
- IA-2 100%
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 | D+12.7 |
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 40.
Higher than 71% of seats.
Lower than 69% of seats.
Lower than 51% of seats.
Higher than 86% of seats.
Higher than 78% of seats.
Denser than 92% 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 3739% college gradsD+12.1Held DDistrict 36
36% college gradsD+4.7Not up in 2026District 39
30% college gradsD+24.6Held DDistrict 49
26% college gradsD+11.2Held D
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