Dave Leip Voter Registration and Turnout Data by County

U.S. President general county level voter registration and turnout data for 1980-2022.

Each level of data include the following:
Total Population (state and county)
Total Voting-Age Population (state only)
Total Voter Registration (except ND, WI - these two states do not have voter registration.)
Total Ballots Cast (for 2004, not yet available for NC, PA. WI doesn't publish this data)
Total Vote Cast for President
Voter Registration by Party (AK, AZ, CA, CO, CT, DE, DC, FL, IA, KS, KY, LA, MA, ME, MD, NE, NV, NH, NJ, NM, NY, NC, OK, OR, PA, SD, WV, WY). Remaining states do not have voter registration by party).

The following worksheets are included in each file:
National Summary - summarizes registration and turnout totals by state - with boundary file information (fips)
Data by County - data for all counties of all states plus DC - with boundary file information (fips)
Data by Town - data for New England towns (ME, MA, CT, RI, VT, NH) - with boundary file information (fips)
Data Sources - a list of data sources used to compile the spreadsheet.