The following prepared County maps are available for viewing/download.
Please note some map files are prepared for large print output and can be large in file size.
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)
For more on the features and tools in CookViewer, open the Help page.
If you are interested in acquiring mapping features such as streets or parcels from the County, please visit the Map Center by clicking here. In the Center you will find a list of high quality, accurate GIS data available for purchase.
Cook County Map Center (will open a new browser window)
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)
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)
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)
Cook County - Commissioner Districts (PDF - 3.8 MB)
Cook County - Municipal boundaries (PDF - 2.8 MB)
Refer to the Commissioner District map in the County Maps section above for an index of all districts.
District 1 (PDF - 1.2 MB)
District 2 (PDF - 6.4 MB)
District 3 (PDF - 1.6 MB)
District 4 (PDF - 1.4 MB)
District 5 (PDF - 6.9 MB)
District 6 (PDF - 2.3 MB)
District 7 (PDF - 1.5 MB)
District 8 (PDF - 1.1 MB)
District 9 (PDF - 1.6 MB)
District 10 (PDF - 3.1 MB)
District 11 (PDF - 1.6 MB)
District 12 (PDF - 1.6 MB)
District 13 (PDF - 1.2 MB)
District 14 (PDF - 2.4 MB)
District 15 (PDF - 2.7 MB)
District 16 (PDF - 3.8 MB)
District 17 (PDF - 1.4 MB)
All map PDF files below are under 1.5 MB in size.
Township Index Map
Showing township boundaries and detail 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
Technology, Bureau of
69 West Washington Suite 2700 Chicago, Illinois 60602
URL: cookcountygov.com/ GIS