Cook County is the most populous county in the state of Illinois as well as one of the most populous counties in the whole United States.

These resources will help you take care of anything you need as a resident at the county level, such as voter registration, looking up elected officials and other housing services.

Voting Resources

The Cook County Clerk’s office manages 120+ towns and villages in suburban Cook County. Here are some quick links to help you navigate everything elections in the county.

Look Up Polling Locations Register to Vote Sign-Up To Work As An Election Judge Choose Your Preferred Voting Method Look Up Current Elected Officials Learn About Upcoming Elections

Property Tax Resources

Looking for property tax information, forms and history? Here are some quick links to help you get to where you need to go.

Look Up A Property Appeal Your Taxes Apply for a Tax Exemption Change Your Name or Address

Building & Zoning Resources

Cook County’s website has everything you need for your building projects or zoning. Not sure what zoning is? We have a blog that breaks down essential terms and how it plays into homeownership.

Apply For A Permit Look Up A Licensed Contractor Browse Energy Efficiency Resources Appeal A Property Assessment Look Up Zoning Ordinances