Cook County, Illinois

Cook County had 2,307 projects with decisions YTD undefined: 2,931 approved and 22 denied (99.3% approval). Palatine led among cities with 326 projects, followed by Winnetka (206).

Data through June 7, 2026 · Updated June 8, 2026 · America/Denver · Refreshed weekly

2,307
Projects YTD
2,931
Approved
22
Denied
99.3%
Approval rate

Cities in Cook County

CityProjectsApprovedDeniedApproval %
Palatine3265931198.2%
Winnetka206294399.0%
Calumet City1892030100.0%
Hoffman Estates131210299.1%
Markham971090100.0%
Orland Park941040100.0%
Oak Park69780100.0%
Palos Heights67730100.0%
Arlington Heights61620100.0%
Des Plaines5962198.4%
Tinley Park58690100.0%
Chicago Heights5254198.2%
Bedford Park49570100.0%
Chicago Ridge44440100.0%
Evanston40450100.0%
Broadview39520100.0%
Franklin Park37450100.0%
Rolling Meadows36530100.0%
Park Ridge3540295.2%
Harwood Heights34350100.0%
Westchester34360100.0%
Glenwood31350100.0%
Morton Grove31430100.0%
Barrington26270100.0%
Rosemont23230100.0%
Blue Island22230100.0%
Cicero22240100.0%
Forest View21280100.0%
Northlake21230100.0%
Hodgkins20200100.0%
Bellwood19210100.0%
Buffalo Grove17180100.0%
Northbrook16170100.0%
Prospect Heights16200100.0%
Roselle16170100.0%
Glenview15170100.0%
Western Springs15160100.0%
Country Club Hills14210100.0%
Lemont14170100.0%
Homewood13130100.0%
River Grove13130100.0%
Midlothian11140100.0%
Bridgeview10100100.0%
Brookfield1012192.3%
Sauk Village10100100.0%
Stone Park10120100.0%
Justice990100.0%
Merrionette Park880100.0%
South Chicago Heights890100.0%
South Holland880100.0%
Streamwood880100.0%
Burnham770100.0%
East Hazel Crest770100.0%
Inverness790100.0%
Skokie770100.0%
Lansing660100.0%
Riverdale670100.0%
La Grange Park560100.0%
Matteson550100.0%
Stickney550100.0%
Thornton560100.0%
Palos Hills440100.0%
University Park440100.0%
Hazel Crest110100.0%
Hometown110100.0%
Posen110100.0%
River Forest110100.0%
South Barrington1010.0%

Frequently asked questions

How many projects had council decisions in Cook County YTD undefined?
2,307 projects with 2,931 approved and 22 denied actions (99.3% approval).
Which cities in Cook County had the most activity?
Palatine (326 projects), Winnetka (206 projects), Calumet City (189 projects)