Voter Registration and Turnout
- estimates for nation and states by race, sex, Hispanic Origin (and age in some tables)
- election years only, 1970- (with some data back to 1960)
- pdf format
- post election survey provides alternative source for estimating turnout, nation only
- interactive survey data analysis available through the SDA Archive at UC Berkeley
The Secretary of State's office in most states provides recent registration stats online, in some cases down to the county and even precinct level.