Includes aggregated presidential general and primary election data at the state and county level, including voter turnout aggregated data at the county level. Some content is restricted to members only. Note: Democrats are represented in red and Republicans in blue contrary to the more recent practice.
ICPSR data collection of county-level electoral returns for all parties and candidates. Data are most complete from 1824 on. 1950–1990 are available as election year files; 1824–1950 are multi-year state files. (Also includes congressional and gubernatorial elections.)
State legislative general election and (some) primary returns (1967–2010) at the district level. Variables include district designations, year and month of election, type of district (SMD, multimember, etc.), and candidate attributes such as incumbency status, party and vote total. See also the 2011-2012 addendum.
Searchable collection of early American election returns, including elections for state House and Senate, governor, sheriffs, commissioners, city councils, mayors, and much more. Narrow by state, year, office, jurisdiction, party, and election type. Full datasets for each state can also be downloaded.
Primary and general elections returns for more than 4000 statewide referenda, constitutional amendments, state House and Senate joint resolutions, and initiatives (all states, 1968–1990, by county and state)