Maps and Data

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Maps

The following interactive map applications provide easy access to Cook County GIS information.

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Online Mapping with CookViewer

Our online mapping application, CookViewer, can connect you to a wealth of dynamic geographic information and data on Cook County.

CookViewer Mapping Application (will open a new browser window)

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Cook County Map Center

If you are interested in acquiring custom maps or data from the County, please visit the Map Center. In the Center you can choose between custom orders or purchase the Atlas of Cook County. To download free GIS data, please visit the Cook County Open Data Portal.

Cook County Map Center (will open a new browser window)

TIFviewer

Cook County TIF Viewer

An interactive mapping application which allows users to display tax increment dollars and maps of Tax Increment Financing Districts in Cook County. Users can export TIF Revenue information dating back to 1983 for research and analysis.

Cook County TIF Viewer (will open new browser window)

hwyproject

Cook County Facilities Map

An interactive map of all Cook County Facilities that can be viewed with mass transit lines (trains and buses). Hovering on a facility provides contact information, while clicking on the point displays a picture of the facility.

Cook County Facilities Map (will open new browser window)

hwyproject

Cook County Highway Construction Projects

An interactive map of current construction activity on the County’s highways. Hovering on a project provides detailed information for commuters to plan their trip. Additionally, the official project flyer can be displayed.

Cook County Highway Projects Map (will open new browser window)

fishlakes

Fishing Lakes of the Forest Preserve District of Cook County

An interactive map of fishing lakes located in the Forest Preserves across the County. Clicking on a fish will display a detailed map of that lake, including depth measurements.

Fishing Lakes Map (will open new browser window)

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Cook County Highway Jurisdiction

An interactive map that displays the road jurisdiction of all Township, Cook County, and State of Illinois roads in different colors, orange, red, and green respectively. Search by street name, county route number, city, or address to find roads. The application can be used as a reference for Cook County Department of Transportation and Highways permits.

Cook County Highway Jurisdiction Map (will open new browser window)






The following standard County maps are available for viewing or download.

Please note some map files are prepared for large print output and can be large in file size.

County Maps


Commissioner District Maps

Refer to the Commissioner District map in the County Maps section above for an index of all districts.


Township Maps

All map PDF files below are under 1.5 MB in size.

Township Index Map

Showing township boundaries and detailed map key

Barrington Township – Map 1 Township 42 North Range 9 East, Cook County, IL Including: Barrington, Barrington Hills, East Dundee, Hoffman Estates, Inverness and South Barrington

Palatine Township – Map 2 Township 42 North Range 10 East, Cook County, IL Including: Barrington, Palatine, South Barrington, Inverness, Hoffman Estates, Arlington Heights, Schaumburg

Wheeling Township – Map 3 Township 42 North Range 11 East, Cook County, IL Including: Buffalo Grove, Arlington Heights, Palatine, Rolling Meadows, Wheeling, Northbrook, Prospect Heights, Mount Prospect, Des Plaines, Glenview

Northfield Township – Map 4 Township 42 North Range 12 East, Cook County, IL Including: Wheeling, Deerfield, Northbrook, Glencoe, Northfield, Glenview, Wilmette, Prospect Heights

New Trier and Evanston Townships – Map 5 Township 42 North Range 13 East, Cook County IL Including: Glencoe, Winnetka, Northfield, Glenview, Kenilworth, Wilmette, Evanston

Hanover Park Township – Map 6 Township 41 North Range 9 East, Cook County, IL Including: Elgin, Hoffman Estates, Streamwood, Schaumburg, Bartlett, Hanover Park

Schaumburg Township – Map 7 Township 41 North Range 10 East, Cook County, IL Including: Hoffman Estates, Schaumburg, Hanover Park, Rolling Meadows, Elk Grove Village, Roselle, Streamwood

Elk Grove Township and Town of Jefferson – Map 8 Township 41 North Range 11 East, Cook County, IL Including: Rolling Meadows, Arlington Heights, Mount Prospect, Des Plaines, Elk Grove Village, Chicago

Maine Township and Town of Jefferson – Map 9 Township 41 North Range 12 East, Cook County, IL Including: Des Plaines, Glenview, Morton Grove, Niles, Park Ridge, Chicago, Rosemont

Niles and Rogers Park Townships and Town of Jefferson and Evanston – Map 10 Township 41 North Range 13 East, Cook County, IL Including: Glenview, Golf, Morton Grove, Niles, Chicago, Skokie, Evanston, Lincolnwood

Leyden, Norwood Park Townships and Town of Jefferson – Map 11 Township 40 North Range 12 East, Cook County, IL Including: Chicago, Bensenville, Rosemont, Park Ridge, Harwood Heights, Norridge, Schiller Park, Franklin Park, River Grove, Elmwood Park, Melrose Park, Northlake

Town of Jefferson, Norwood Park Township and West Town – Map 12 Township 40 North Range 13 East, Cook County, IL Including: Chicago, Harwood Heights, Norridge

Lake View Township, North and West Towns – Map 13 Township 40 North Range 14 East, Cook County, IL Including: Chicago

Proviso and Riverside Township and River Forest – Map 14 Township 39 North Range 12 East, Cook County, IL Including: Northlake, Stone Park, Melrose Park, River Forest, Berkeley, Hillside, Bellwood, Maywood, Forest Park, Broadview, Westchester, North Riverside, Riverside, Brookfield, La Grange Park, Western Springs, Elmhurst, Oak Brook

Berwyn, Cicero, Oak Park and Stickney Townships and West and South Towns – Map 15 Township 39 North Range 13 East, Cook County, IL Including: Oak Park, Berwyn, Cicero, Stickney, Chicago

West, South and North Towns (Chicago) – Map 16 Township 39 North Range 14 East, Cook County, IL Including: Chicago

Lyons Township – Map 17 Township 38 North Range 12 East, Cook County, IL Including: Hinsdale, Western Springs, La Grange, Brookfield, Lyons, McCook, Summit, Indian Head Park, Burr Ridge, Countryside, Willow Springs, Hodgkins, Bedford Park, Bridgeview, Justice, Hickory Hills

Stickney Township and Town of Lake – Map 18 Township 38 North Range 13 East, Cook County, IL Including: Stickney, Forest View, Chicago, Bedford Park, Burbank

Town of Lake and Hyde Park Township – Map 19 Township 38 North Range 14 East, Cook County, IL Including: Chicago

Lemont Township – Map 20 Township 37 North Range 11 East, Cook County, IL Including: Lemont, Willow Springs

Palos and Lyons Township – Map 21 Township 37 North Range 12 East, Cook County, IL Including: Burr Ridge, Willow Springs, Palos Park, Hickory Hills, Bridgeview, Worth, Palos Hills, Palos Heights, Orland Park

Worth Township and Town of Lake – Map 22 Township 37 North Range 13 East, Cook County, IL Including: Bridgeview, Hometown, Evergreen Park, Oak Lawn, Chicago Ridge, Worth, Palos Heights, Chicago, Alsip, Crestwood, Robbins, Blue Island, Merrionette Park

Calumet and Hyde Park Townships and Town of Lake – Map 23 Township 37 North Ranges 14 & 15 East, Cook County, IL Includes: Chicago, Blue Island, Calumet Park, Riverdale

Orland Township – Map 24 Township 36 North Range 12 East, Cook County, IL Including: Orland Park, Orland Hills, Tinley Park

Bremen Township – Map 25 Township 36 North Range 13 East, Cook County, IL Including: Orland Park, Tinley Park, Crestwood, Robbins, Blue Island, Posen, Midlothian, Markham, Harvey, Oak Forest, Country Club Hills, Hazel Crest, Homewood

Thornton Township – Map 26 Township 36 North Range 14 & 15 East, Cook County, IL Including: Blue Island, Dixmoor, Riverdale, Harvey, Markham, Hazel Crest, East Hazel Crest, Homewood, Dolton, Burnham, Phoenix, South Holland, Calumet City, Lansing, Thornton, Glenwood

Rich Township – Map 27 Township 35 North Range 13 East, Cook County, IL Including: Tinley Park, Country Club Hills, Hazel Crest, Homewood, Flossmoor, Matteson, Olympia Fields, Frankfort, Richton Park, University Park, Park Forest

Bloom Township – Map 28 Township 35 North Range 14 & 15 East, Cook County, IL Including: Homewood, Flossmoor, Olympia Fields, Chicago Heights, South Chicago Heights, Park Forest, Glenwood, Lansing, Lynwood, Ford Heights, Sauk Village, Steger