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Mercer County, OH

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

Model Mercer County, precinct by precinct →

Ohio by certified 2024 presidential result · Mercer County in amber · open the live map →

2024 president

Republican R+66.7

Votes cast

23,750

State

Ohio

Grain

Precinct-level

Frequently asked

How did Mercer County vote in 2024?
R+66.7 for president — 3,865 Democratic · 19,710 Republican of 23,750 votes.
Can I model Mercer 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 Mercer 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 Ohio

AdamsAllenAshlandAshtabulaAthensAuglaizeBelmontBrownButlerCarrollChampaignClarkClermontClintonColumbianaCoshoctonCrawfordCuyahogaDarkeDefianceDelawareErieFairfieldFayetteFranklinFultonGalliaGeaugaGreeneGuernseyHamiltonHancockHardinHarrisonHenryHighlandHockingHolmesHuronJacksonJeffersonKnoxLakeLawrenceLickingLoganLorainLucasMadisonMahoningMarionMedinaMeigsMiamiMonroeMontgomeryMorganMorrowMuskingumNobleOttawaPauldingPerryPickawayPikePortagePreblePutnamRichlandRossSanduskySciotoSenecaShelbyStarkSummitTrumbullTuscarawasUnionVan WertVintonWarrenWashingtonWayneWilliamsWoodWyandot

The races above this county

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