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Buchanan County, IA

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

Model Buchanan County, precinct by precinct →

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

2024 president

Republican R+28.2

Votes cast

10,714

State

Iowa

Grain

Precinct-level

Frequently asked

How did Buchanan County vote in 2024?
R+28.2 for president — 3,766 Democratic · 6,790 Republican of 10,714 votes.
Can I model Buchanan 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 Buchanan 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

AdairAdamsAllamakeeAppanooseAudubonBentonBlack HawkBooneBremerBuena VistaButlerCalhounCarrollCassCedarCerro GordoCherokeeChickasawClarkeClayClaytonClintonCrawfordDallasDavisDecaturDelawareDes MoinesDickinsonDubuqueEmmetFayetteFloydFranklinFremontGreeneGrundyGuthrieHamiltonHancockHardinHarrisonHenryHowardHumboldtIdaIowaJacksonJasperJeffersonJohnsonJonesKeokukKossuthLeeLinnLouisaLucasLyonMadisonMahaskaMarionMarshallMillsMitchellMononaMonroeMontgomeryMuscatineO'BrienOsceolaPagePalo AltoPlymouthPocahontasPolkPottawattamiePoweshiekRinggoldSacScottShelbySiouxStoryTamaTaylorUnionVan BurenWapelloWarrenWashingtonWayneWebsterWinnebagoWinneshiekWoodburyWorthWright

The races above this county

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