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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
Barrington Township Republican Organization
Peter Kopsaftis-President 630-822-3965
PO Box 3841 Barrington, IL 60011-3841
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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.