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Union County, SD

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

Model Union County, precinct by precinct →

South Dakota by certified 2024 presidential result · Union County in amber · open the live map →

2024 president

Republican R+40.7

Votes cast

8,876

State

South Dakota

Grain

Precinct-level

Frequently asked

How did Union County vote in 2024?
R+40.7 for president — 2,548 Democratic · 6,160 Republican of 8,876 votes.
Can I model Union 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 Union 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 South Dakota

AuroraBeadleBennettBon HommeBrookingsBrownBruleBuffaloButteCampbellCharles MixClarkClayCodingtonCorsonCusterDavisonDayDeuelDeweyDouglasEdmundsFall RiverFaulkGrantGregoryHaakonHamlinHandHansonHardingHughesHutchinsonHydeJacksonJerauldJonesKingsburyLakeLawrenceLincolnLymanMarshallMcCookMcPhersonMeadeMelletteMinerMinnehahaMoodyOglala LakotaPenningtonPerkinsPotterRobertsSanbornSpinkStanleySullyToddTrippTurnerWalworthYanktonZiebach

The races above this county

South Dakota U.S. Senate · Governor · the 2026 Senate board · the 2026 House board