Cook County, website

Residents of Cook County in Illinois, who need to contact government officials, such as the Sherrif, the County Clerk, or the Fire Department, will find the necessary contact details in this phonebook directory. Concerned persons should note that the phone numbers for these county offices start with area codes 630, 331, 224, 847, 708, 773, 312 and 815.

Police Department

3026 S. California Ave.

Chicago, Illinois 60608

Phone: (708)-865-4700

Sheriff’s Office

118 N. Clark Street
Chicago, IL 60602

Phone: (312) 443-5500

Circuit Clerk

50 West Washington – Suite 1001
Chicago, IL 60602

Phone: (312)-603-5030

Email: [email protected]

Health Department

7556 Jackson Boulevard
Forest Park, IL 60130

Phone: (708)-836-8600

Email: [email protected]

Human Services Department

831 W 119th Street
Chicago, IL 60643

Phone: (773) 660-4700

Fax: (773) 660-7142

Cook County Jail

2700 South California Avenue
Chicago, Illinois 60608

Phone: (773) 674-7100

Emergency Management

69 W. Washington St., Suite 2600
Chicago, IL 60602

Phone: (312) 603-8180

Fire Department

10 W 35th St., Chicago, IL 60616

Phone: (312)-745-3705

Department of Education

12300 S. Greenwood Ave.
Blue Island, IL, 60406

Phone: (708) 385-6800
Fax: (708) 385-8467

Tax Department

118 North Clark Street, Room 112

Chicago, Illinois 60602

Phone: (312) 443-5100