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Barrington Township is one of 29 townships within Cook County. It encompasses precisely 36 square miles. Within Barrington Township, there are six municipalities: Barrington, Barrington Hills, East Dundee, Hoffman Estates, and South Barrington. Here, you can find election information for everything within our township.

Below are two maps showing the Illinois State Legislative Boundaries and Illinois Congressional districts that intersect within the township:

There are 3 legislative districts within Barrington Township; IL-51, IL-52, and IL-54, with a majority of the township being in IL-52.

Barrington Township is divided up between two Congressional Districts; IL-6 and IL-8.

Important Voter Information

Municipal Websites:
Barrington Hills
East Dundee
Hoffman Estates
South Barrington

Important Dates:
2021 Municipal Primary Election: Tuesday, February 23, 2021
2021 Municipal General Election: Tuesday, April 6, 2021

Important Links:
Register to Vote Online or by Mail
Update Your Registered Address
Early Vote Information
Vote by Mail Application
Frequently Used Voter Information
Barrington Township Republican Organization
Peter Kopsaftis-President 630-822-3965
PO Box 3841 Barrington, IL 60011-3841
Popular Links

Paid for by the Barrington Township Republican Organization.
A copy of our report filed with the State Board of Elections is (or will be)available on the Board’s official website ( or for purchase from the State Board of Elections, Springfield, Illinois.