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Sioux County, IA

The certified 2024 map, county by county — Sioux in amber. Open it and every precinct inside is yours to model.

Model Sioux County, precinct by precinct →

Iowa by certified 2024 presidential result · Sioux County in amber · open the live map →

2024 president

Republican R+71.1

Votes cast

18,881

State

Iowa

Grain

Precinct-level

Frequently asked

How did Sioux County vote in 2024?
R+71.1 for president — 2,626 Democratic · 16,053 Republican of 18,881 votes.
Can I model Sioux County precinct by precinct?
Yes — open the county in the simulator and every precinct inside it is editable, with real 2024 returns as the baseline. The county rolls up live into its statewide races.
What races cover Sioux County?
Every statewide race (U.S. Senate, Governor, the executive offices) plus its U.S. House and state-legislature districts — all modelable from the same county baseline.

Every county in Iowa

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The races above this county

Iowa U.S. Senate · Governor · the 2026 Senate board · the 2026 House board