- Registration Statistics by Precinct
- Registration Statistics by District and City
- Guide to Districts and Precincts
Statewide Voter Registration Statistics from Iowa Secretary of State
Excel format
Excel format - November 6, 2016 - last update for November 8 presidential election
Excel format - July 8, 2016 - Post-primary; pre-registration deadline for July 19 special election
Excel format - June 5, 2016 - pre-primary
Excel format - April 29, 2016 - following countywide voter card mailing
Excel format - February 16, 2016 - caucus data entry complete
Excel format - January 29, 2016 (last update before caucuses)
- For past voter registration statistics contact the Auditor's Office at 319-356-6004