Election Data

Registration statistics (street index)

View or download voter registration statistics and download the street index of suburban Cook County.

Precinct canvasses

Download precinct-level election results. Files are available as .zip Excel spreadsheets.

Turnout history

View comparative election turnout over the last 20 years.

Early Voting turnout history

During Early Voting, real-time turnout is available by site. An archive of Early Voting turnout data is available here.

Post-Election Reports

The Clerk's office produces post-election reports after elections in even-numbered years. In addition to complete Cook County results, these reports include analysis of close races, historical comparisons and turnout maps. Download reports:

November 4, 2014
March 18, 2014
November 6, 2012
March 20, 2012
November 2, 2010
February 2, 2010
November 4, 2008
February 5, 2008

Registration file requests

See information about ordering voter registration files.

Download data

Downloadable data for qualifying users, including political organizations and those with FOIA requests.

Election Results Archive

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