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Cook County Government

Cook County Population 5,275,541
County Seat Chicago

Wikipedia Page for Cook County

Google Map of Cook County, Illinois

Key Information

Other Cook County Resources on LegalConsumer

Cook County Tax Assessor

Democratic Party

Fritz Kaegi

Cook County Circuit Clerk

Democratic Party

Iris Y. Martinez

Cook County Treasurer

Democratic Party

Maria Pappas

Cook County Clerk

Democratic Party

Cedric Giles

Cook County Sheriff

Democratic Party

Thomas J. Dart

Cook County State's Attorney

Democratic Party

Kimberly M. Foxx

Cook County Board President

Democratic Party

Toni Preckwinkle

Illinois State Government

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Executive Branch

Governor of Illinois

Democratic Party

JB Pritzker

Lieutenant Governor of Illinois

Democratic Party

Juliana Stratton

Illinois Governor Website

Consumer Protection

State and Local Consumer Agencies in Illinois (USA.gov)

Illinois State Legislature:

Illinois Legislature Website

(NOTE: Because of the way legislative boundaries are drawn, more than a zip code is needed to determing which legislative disrict you are in.

Enter a street address to find state and federal legislators for a specific location)

Street address:
ZIP:

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Federal Government

Illinois Representatives in the U.S. Congress

Each state gets two senators in the U.S. Senate.

Illinois is represented by:

U.S. Senator

Democratic Party

Tammy Duckworth

U.S. Representative

Democratic Party

Danny K. Davis

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Complete List of Representatives for
Westchester, IL

(NOTE: Because of the way legislative boundaries are drawn, more than a zip code is needed to determing which legislative disrict you are in.

Enter a street address to find state and federal legislators for a specific location)

Street address: ZIP:



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How to Vote in Illinois

How to check your voter registration information in Illinois

Now’s the time to check and confirm your voter registration, especially if you:

  • Haven’t voted for a while
  • Changed your name since the last time you voted
  • Permanently moved your residence since you last voted

It’s not difficult to check your records. Illinois has a specific web page where you can confirm your Illinois voter registration status.

It the link above does not work, go to the Can I Vote?, page, maintained by NASS *(National Association of Secretaries of State), and click "Voter Registration" and then select Illinois, or just click the button above.,

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