V-Map · U.S. election history · 2006–2026
U.S. election history by state and county
V-Map is an interactive U.S. election-history map for exploring President, U.S. Senate, U.S. House and Governor results, population references, party vote counts and qualified historical changes at state and county levels.
Explore places and compare elections
Select an office, election year and place to inspect reported candidates, votes, parties and source notes. House returns retain actual county-district portions where the source reports them. Population values carry reference years; the application distinguishes candidate votes from actual ballots cast.
The project’s imported office ranges are President: 2008–2024; U.S. Senate: 2006–2026; U.S. House: 2006–2026; Governor: 2006–2026. This describes the span of available records, not continuous coverage of every year, state or county. Presidential election results begin in 2008 within this project’s 2006–2026 time window; there is no 2026 presidential election.
Source-backed records with visible limits
V-Map combines public election-authority records with attributed research datasets, including MEDSL, county election archives and U.S. Census population estimates. Provenance, source versions and quality holds remain attached to the records. A state or district total is not allocated to counties to fill a gap. Alaska election districts, historical boundaries and incomplete returns require particular care.
Read the methodology explains the source checks, comparison rules and provisional review borders. The coverage page lists imported office/year records and current comparison coverage.
Open-source and community supported
The original application and importer code is MIT licensed. Third-party datasets, government documents and dependencies keep their own licenses and attribution requirements. V-Map uses JavaScript, Vite, D3, TopoJSON, Census reference data and public election records.
Browse the repository, report a source or data problem, or support the research and platform. Include the office, election year, county or district, and an authoritative source when reporting a correction.