Cook County Township Map by Triennial Regions

All properties are reassessed every three years in Cook County and the new assessed valuations determine, along with other detailed information, the amount billed on the following year’s property tax bills. These triennial reassessments, and the related schedule for real estate tax appeals with the Assessor and the Cook County Board of Review, occur on a sequential basis by region and township: suburban areas north and northwest, south and southwest, and the City of Chicago.

See the map on this page to determine your township, or, to take a closer look, follow links to high resolution maps below.

The County Assessor now provides taxpayers access to valuation statistics by township, including median sales ranges for different Property Classes of residential real estate, and median increase or decrease changes to assessed values.  CLICK HERE for Valuation Stats  and enter your township and reassessment year: Chicago (2015/18), North/Northwest Suburbs (2016) and South/Southwest Suburbs (2017).


COOK COUNTY TOWNSHIPS

South/Southwest Suburbs
Berwyn
Bloom
Bremen
Calumet
Cicero
Lemont
Lyons
Oak Park
Orland
Palos
Proviso
Rich
River Forest
Riverside
Stickney
Thornton
Worth

 

 

North/Northwest Suburbs
Barrington
Elk Grove
Evanston
Hanover
Leyden
Maine
New Trier
Niles
Northfield
Norwood Park
Palatine
Schaumburg
Wheeling
Chicago Townships
Hyde Park
Jefferson
Lake
Lakeview
North Chicago
Rogers Park
South Chicago
West Chicago