Cook County, Illinois
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Cook County is a county inIllinois. The county population is 5,275,541, according to the United States Census Bureau. The county seat isChicago.
Ballotpedia provides comprehensive coverage of the100 largest cities in America by population. This encompasses all city, county, and special district elections appearing on the ballot within those cities. This county is part of thatcoverage scope.Click here to learn more about this county's government.
Use the links below to learn more about federal officials, state officials, cities, school districts, courts, and ballot measures in this county.
Federal officials
The current members of theU.S. Senate fromIllinois are:
| Office title | Officeholder name | Date assumed office | Party affiliation |
|---|---|---|---|
U.S. Senate Illinois | January 3, 2017 | Democratic Party | |
U.S. Senate Illinois | January 3, 1997 | Democratic Party |
To view a map ofU.S. House districts inIllinois and find your representative, clickhere.
State officials
The following is a list of the current state executive officials fromIllinois:
| Office | Name | Party | Date assumed office |
|---|---|---|---|
| Attorney General of Illinois | Kwame Raoul | Democratic | January 15, 2019 |
| Governor of Illinois | J.B. Pritzker | Democratic | January 14, 2019 |
| Illinois Auditor General | Frank J. Mautino | Nonpartisan | January 1, 2016 |
| Illinois Comptroller | Susana Mendoza | Democratic | December 5, 2016 |
| Illinois Director of Natural Resources | Natalie Phelps Finnie | Nonpartisan | March 22, 2024 |
| Illinois Secretary of State | Alexi Giannoulias | Democratic | January 9, 2023 |
| Illinois Superintendent of Education | Tony Sanders | Nonpartisan | February 23, 2023 |
| Illinois Treasurer | Mike Frerichs | Democratic | January 12, 2015 |
| Lieutenant Governor of Illinois | Juliana Stratton | Democratic | January 14, 2019 |
To view a list of state legislators fromIllinois, clickhere.
Cities
The following list contains cities located in Cook County, Illinois, that arecurrently covered by Ballotpedia. This list is not meant to be comprehensive:
School districts
The following list contains school districts located in Cook County, Illinois, that are currently covered by Ballotpedia. This list is not meant to be comprehensive:
Courts
- See also:Cook County, Illinois (Judicial)
As of February 2026, Ballotpedia does not provide coverage for any courts in Cook County, Illinois.
Ballot measures
To view a list of statewide measures inIllinois, clickhere.
To view a list of local ballot measures in Cook County, Illinois, clickhere.
