The Cook County Clerk's office archives election results, turnout, registration statistics and more on our webpage going back to 1998.
Search our Election Results and Statistics Database for results of general elections, primaries and consolidated local elections.
Visitors can view and download voter registration statistics, turnout history, precinct-level election results, Early Voting turnout and more.
The Cook County Clerk's Office is pleased to introduce interactive and user friendly data visualizations with Tableau. We welcome suggestions for new datasets, as part of the collaborative open data community. Please e-mail feedback on our Open Data (Beta) platform to firstname.lastname@example.org.
The Clerk's office also produces post-election reports after most major elections. In addition to complete Cook County results, these reports include analysis of close races, historical comparisons and turnout maps.