Presidential, House and Senate results by county, plus 2026 Governor. Each column splits the vote between the parties; its height is people per square mile. Pick a state to rescale heights to it.
Each column is the county's two-party vote. The loser's share sits at the bottom, the winner's on top. Total height is density. The top's shade shows the margin:
Alaska reports by state house district, not borough. Connecticut reported 2024 by planning region. Click or tap a county to see it and focus its state. Senate results cover regular races; special elections are left out. 2026 Senate and Governor: AP county results via NPR, still being certified. 2026 House county results are not published yet.
Sources: presidential results by county (tonmcg, GitHub); House and Senate 2010–2022 (pmheideman/us-county-election-results, CC BY 4.0); 2026 results by AP via NPR; population: Census 2019 estimates; boundaries: us-atlas.
Two-party margin of all votes cast in counties within each density band (people per sq mi).