2026 results · Iowa · Iowa 4th District
Chris McGowan, the Republican, holds Iowa's 4th District for the Republicans
Donald Trump carried the district by 31.1 points in 2024; this year's count is a 13.0-point move toward the Democrats.
| Candidate | Votes | Share | Share of the vote |
|---|---|---|---|
| Chris McGowanRepublican | 178,845 | 59.0% | |
| Dave DawsonDemocrat | 123,940 | 40.9% | |
| Write-in | 352 | 0.1% |
Called by Call the Map, Nov 3, 10:27 PM EST · 96% counted.
About 96% of the expected vote counted303,137 votesCount last changed Nov 7, 6:28 PM ESTSource: Iowa Secretary of State
The map
Loading the map.
About the seat
Iowa's 4th District takes in all or part of 36 counties. The Republicans held it before this election. Its voters went R+31.1 for president in 2024. Its move from that vote, 13.0 points toward the Democrats, ranks 3 of 4 among the state's districts, counting from the largest move toward the Democrats.
- 2024 president
- R+31.1
- 2024 House race, same lines
- R+34.4
- Move from 2024, rank in state
- 3 of 4
- Story County14%
- Woodbury County11%
- Pottawattamie County11%
- Sioux County5%
- Marshall County5%
- Webster County4%
- Boone County4%
- Plymouth County4%
- 28 more43%
Shares are of the votes counted this year. The 2024 House figure is the same district, on the same lines.
What the count shows
Added together, the 36 counties compared moved 12.9 points toward the Democrats from the 2024 presidential vote.
The counties compared cast 77% as many votes as in 2024, from 103% in Audubon County to 67% in Fremont County.
Crawford County moved most: R+42.8 for president in 2024, R+24.7 this year
The 10 counties with the largest moves from the 2024 presidential vote, among those with 2,000 or more votes for president in 2024 and a quarter of that counted, and at least half a percent of the state's 2024 vote. Each line runs from the 2024 margin to this year’s.
2024 president 2026
Pottawattamie County added 7,469 net votes for Dawson against the 2024 margin, 11% of the district's change
Across the 36 counties compared, the margin moved by 67,542 votes toward Dawson: this year’s lead in votes against the 2024 presidential lead in votes, county by county. The figure counts voters who changed sides and differences in who turned out alike; the count cannot tell them apart.
- Pottawattamie County+7,469 Dawson
- Woodbury County+7,188 Dawson
- Story County+4,892 Dawson
- Sioux County+3,646 Dawson
- Webster County+3,400 Dawson
- Plymouth County+2,783 Dawson
- Marshall County+2,619 Dawson
- Boone County+2,442 Dawson
1 county Donald Trump carried in 2024 is led by Dawson this year
Striped on the map above. Largest first.
- Marshall CountyR+14.6D+1.1
How the vote came in
Dawson did best among absentee ballots (D+3.6) and McGowan among Election Day votes(R+29.4).
- Election Day199,379 votes, 66% of the countR+29.4
- Absentee103,758 votes, 34% of the countD+3.6
The office’s own categories, as it reports them. Margins are within each kind of vote.
The seats that changed party
StatewideDemocrats won 3 of Iowa's 6 statewide races and lead 1 more; Republicans won 1 and lead 1 more.
U.S. HouseBefore the election R 4–0, now D 3–1
won leads, still counting changed party. Margins are the leader’s share minus the runner-up’s, in points.
Every count on this page is the official count published by the Iowa Secretary of State. Counts are unofficial until the state certifies them. The 2024 comparison is the presidential vote, Kamala Harris against Donald Trump, on the same ground. Margins are the Democrat minus the Republican, in points of all votes.