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Cities and Towns in Cook County, Illinois

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Founded in 1831, Cook County is one of 102 counties in the state of Illinois. Historically, Cook County was formed from Putnam County. The city of Chicago is the county seat. With FIPS code of 31, Cook County has a population of 5,173,146 and area of 944 square miles (2,445 km²).

List of all cities in Cook County, IL alphabetically

City/Town Postal Code Area Code
Alsip, IL 60803 708/464
American National Bank, IL 60678 312/872
Amf Ohare, IL 60666 773
Argo, IL 60501 708/464
Arlington Heights, IL 60004 847/224
60005 847/224
60006 847/224
Ashburn Park, IL 60652 773
Bank of America, IL 60674 312/872
60682 312/872
60693 312/872
60696 312/872
60697 312/872
Bartlett, IL 60133 630/331
Bedford Park, IL 60455 708/464
60458 708/464
60459 708/464
60499 708/464
60501 708/464
60629 773
60638 773
Bellwood, IL 60104 708/464
Berkeley, IL 60163 708/464
Berwyn, IL 60402 708/464
Blue Island, IL 60406 708/464
Bolingbrook, IL 60439 630/331
Bridgeview, IL 60455 708/464
Broadview, IL 60153 708/464
60155 708/464
Brookfield, IL 60513 708/464
Burbank, IL 60459 708/464
Burnham, IL 60633 773
Calumet City, IL 60409 708/464
Calumet Park, IL 60643 773
60827 708/464
Charles A Hayes, IL 60649 773
Chase Bank, IL 60670 312/872
60673 312/872
Chestnut Street, IL 60610 312/872
Chicago, IL 60290 312/872
60601 312/872
60602 312/872
60603 312/872
60604 312/872
60605 312/872
60606 312/872
60607 312/872
60608 312/872
60609 773
60610 312/872
60611 312/872
60612 312/872
60613 312/872
60614 773
60615 312/872
60616 312/872
60617 773
60618 773
60619 773
60620 773
60621 773
60622 773
60623 773
60624 773
60625 773
60626 773
60628 773
60629 773
60630 773
60631 773
60632 773
60633 773
60634 773
60636 773
60637 773
60638 773
60639 773
60640 773
60641 773
60642 773
60643 773
60644 773
60645 773
60646 773
60647 773
60649 773
60651 773
60652 773
60653 773
60654 312/872
60655 773
60656 773
60657 773
60659 773
60660 773
60661 312/872
60664 312/872
60666 773
60668 312/872
60669 312/872
60670 312/872
60673 312/872
60674 312/872
60675 312/872
60677 312/872
60678 312/872
60680 312/872
60681 312/872
60682 312/872
60684 312/872
60685 312/872
60686 312/872
60687 312/872
60688 312/872
60689 312/872
60690 312/872
60691 312/872
60693 312/872
60694 312/872
60695 312/872
60696 312/872
60697 312/872
60699 312/872
60701 773
60706 773
60707 708/464
60712 773
60803 708/464
60804 708/464
60805 708/464
60827 708/464
Chicago Heights, IL 60411 708/464
60412 708/464
Chicago Lawn, IL 60629 773
Chicago Ridge, IL 60415 708/464
Cicero, IL 60804 708/464
Clearing, IL 60638 773
CNA Center, IL 60685 312/872
Cntry Clb Hls, IL 60478 708/464
Commonwealth Edison, IL 60668 312/872
Country Club Hills, IL 60478 708/464
Countryside, IL 60525 708/464
Cragin, IL 60639 773
Crestwood, IL 60445 708/464
Ctry Clb Hls, IL 60478 708/464
Daniel J Doffyn, IL 60618 773
Des Plaines, IL 60016 847/224
60017 847/224
60018 847/224
60019 847/224
Despl/Rsmt Bus Rply, IL 60019 847/224
Div of Postal Inspectors, IL 60669 312/872
Dixmoor, IL 60406 708/464
60426 708/464
Dolton, IL 60419 708/464
East Hazel Crest, IL 60429 708/464
Elk Grove Village, IL 60007 847/224
60009 847/224
Elmwood Park, IL 60707 708/464
Elsdon, IL 60632 773
Englewood, IL 60621 773
Evanston, IL 60201 847/224
60202 847/224
60203 847/224
60204 847/224
60208 847/224
60209 847/224
Evergreen Park, IL 60805 708/464
Fifth Third Bank, IL 60689 312/872
Fleet, IL 60696 312/872
Flossmoor, IL 60422 708/464
Ford Heights, IL 60411 708/464
Forest Park, IL 60130 708/464
Forest View, IL 60402 708/464
60638 773
Fort Dearborn, IL 60610 312/872
60611 312/872
Franklin Park, IL 60131 847/224
Glencoe, IL 60022 847/224
Glenview, IL 60025 847/224
60026 847/224
Glenwood, IL 60425 708/464
Golf, IL 60029 847/224
Graceland, IL 60657 773
Grand Crossing, IL 60619 773
Hanover Park, IL 60133 630/331
Harris Bank, IL 60694 312/872
Harvey, IL 60426 708/464
60428 708/464
Harwood Heights, IL 60656 773
60706 773
Hazel Crest, IL 60429 708/464
Hegewisch, IL 60633 773
Henry Mcgee, IL 60615 312/872
60653 773
Hickory Hills, IL 60457 708/464
Hillside, IL 60162 708/464
60163 708/464
Hines, IL 60141 708/464
Hodgkins, IL 60525 708/464
Hoffman Estates, IL 60067 847/224
60169 847
60173 847/224
60179 847/224
60192 847/224
60195 847/224
60196 847/224
Hometown, IL 60456 708/464
Homewood, IL 60422 708/464
60430 708/464
Hubbard Woods, IL 60093 847/224
Ind Head Park, IL 60525 708/464
Indian Head Park, IL 60525 708/464
Indianhead Park, IL 60525 708/464
Inverness, IL 60067 847/224
Jackson Park, IL 60637 773
Jefferson, IL 60630 773
Jefferson Park, IL 60630 773
John Buchanan, IL 60617 773
Jp Morgan Chase, IL 60670 312/872
60673 312/872
60695 312/872
Jt Weeker Isc, IL 60290 312/872
60688 312/872
Justice, IL 60458 708/464
Kenilworth, IL 60043 847/224
Kildeer, IL 60074 847/224
La Grange, IL 60525 708/464
La Grange Highlands, IL 60525 708/464
La Grange Park, IL 60526 708/464
Lakeview, IL 60613 312/872
Lansing, IL 60438 708/464
Lemont, IL 60439 630/331
Lincoln Park, IL 60614 773
Lincolnwood, IL 60645 773
60646 773
60659 773
60712 773
Lynwood, IL 60411 708/464
Lyons, IL 60534 708/464
Markham, IL 60426 708/464
60428 708/464
Mary Alice Henry, IL 60624 773
Matteson, IL 60443 708/464
Maywood, IL 60153 708/464
60155 708/464
McCook, IL 60525 708/464
Mellon Financial Services, IL 60055 847/224
Melrose Park, IL 60160 708/464
60161 708/464
60163 708/464
60164 708/464
60165 708/464
Merchandise Mart, IL 60654 312/872
Merrionette Park, IL 60655 773
60803 708/464
Midlothian, IL 60445 708/464
Morgan Park, IL 60643 773
Morton Grove, IL 60053 847/224
Mount Greenwood, IL 60655 773
Mount Prospect, IL 60056 847/224
Multi High Volume Firms, IL 60196 847/224
Nancy B Jefferson, IL 60612 312/872
National City Bank, IL 60686 312/872
Niles, IL 60714 847/224
Norridge, IL 60634 773
60656 773
60706 773
North Riverside, IL 60546 708/464
North Town, IL 60645 773
Northbrook, IL 60062 847/224
60065 847/224
Northern Trust Co, IL 60675 312/872
Northfield, IL 60093 847/224
Northlake, IL 60164 708/464
Northtown, IL 60659 773
Northwestern University Adminstrn, IL 60208 847/224
Northwestern University Residental, IL 60209 847/224
Norwood Park, IL 60631 773
Oak Forest, IL 60452 708/464
Oak Lawn, IL 60453 708/464
60454 708/464
60455 708/464
60456 708/464
60457 708/464
60458 708/464
60459 708/464
Oak Park, IL 60301 708/464
60302 708/464
60303 708/464
60304 708/464
Ogden Park, IL 60636 773
Olympia Fields, IL 60461 708/464
Ontario Street, IL 60611 312/872
Orland Hills, IL 60477 708/464
60487 708
Orland Park, IL 60462 708/464
60467 708/464
Otis Grant Collins, IL 60623 773
Otto Mall, IL 60411 708/464
Palatine, IL 60038 847/224
60055 847/224
60067 847/224
60074 847/224
60078 847/224
60094 847/224
60095 847/224
Palos Heights, IL 60463 708/464
Palos Hills, IL 60465 708/464
Palos Park, IL 60464 708/464
Park Forest, IL 60466 708/464
Park Ridge, IL 60068 847/224
Peoples Gas and Light, IL 60687 312/872
Phoenix, IL 60426 708/464
Pilsen, IL 60608 312/872
Pnc Bank, IL 60677 312/872
Posen, IL 60469 708/464
Prospect Heights, IL 60070 847/224
Ravenswood, IL 60625 773
Rev.Milton R.Brunson Station, IL 60644 773
Richton Park, IL 60471 708/464
River Forest, IL 60305 708/464
River Grove, IL 60171 708/464
Riverdale, IL 60827 708/464
Riverside, IL 60546 708/464
Robbins, IL 60472 708/464
Robert Leflore Jr., IL 60651 773
Roberto Clemente, IL 60647 773
Roger P. Mc Auliffe, IL 60634 773
Rogers Park, IL 60626 773
60660 773
Rolling Meadows, IL 60008 847/224
Roseland, IL 60628 773
Rosemont, IL 60018 847/224
60019 847/224
Sauk Village, IL 60411 708/464
Schaumburg, IL 60159 847/224
60168 847/224
60173 847/224
60179 847/224
60193 847/224
60194 847/224
60195 847/224
60196 847/224
60131 847/224
60176 847/224
Sears Roebuck and Company, IL 60179 847/224
Sears Tower, IL 60684 312/872
Skokie, IL 60076 847/224
60077 847/224
South Chicago Heights, IL 60411 708/464
South Holland, IL 60473 708/464
South Suburban, IL 60499 708/464
State of Il, IL 60664 312/872
Steger, IL 60475 708/464
Stickney, IL 60402 708/464
60638 773
Stock Yards, IL 60609 773
Stone Park, IL 60165 708/464
Streamwood, IL 60107 630/331
Summit, IL 60501 708/464
Summit Argo, IL 60501 708/464
Techny, IL 60082 847/224
Thornton, IL 60476 708/464
Tinley Park, IL 60477 708/464
60478 708/464
60487 708
Twenty Second Street, IL 60616 312/872
University Park, IL 60466 708/464
USPS District Chicago, IL 60699 312/872
Westchester, IL 60154 708/464
Western Springs, IL 60558 708/464
Wheeling, IL 60090 847/224
Wicker Park, IL 60622 773
60642 773
Willow Springs, IL 60480 708/464
Wilmette, IL 60091 847/224
Winnetka, IL 60093 847/224
Worth, IL 60482 708/464
Ww Grainger Inc, IL 60038 847/224

Major Cities and Towns in Cook County, Illinois

Chicago

Area, Population, and Zip Codes

  • Area: 234.21 square miles
  • Population: 2,697,343 (2023 estimate)
  • Zip Codes: 60601–60661
  • Latitude: 41.8781° N
  • Longitude: 87.6298° W

Location and History

Chicago, the largest city in both Illinois and Cook County, is located along the southwestern shore of Lake Michigan. Founded in 1833, Chicago grew rapidly due to its strategic location as a transportation hub, with access to the Great Lakes, railroads, and the Mississippi River system. The city became a major industrial and commercial center by the late 19th century. Following the Great Chicago Fire of 1871, much of the city was rebuilt, leading to a boom in architecture and infrastructure, including the development of the world’s first skyscrapers. Chicago is now a global city, known for its diverse economy, culture, and history. It has played a central role in the arts, particularly jazz, blues, and theater, as well as in American politics and commerce.

Major Schools and Landmarks

Chicago is home to some of the nation’s leading educational institutions, including The University of Chicago, Northwestern University, and DePaul University. Landmarks in the city include Millennium Park, with its iconic “Bean” sculpture, and Willis Tower, formerly the Sears Tower, one of the tallest buildings in the world. Navy Pier offers entertainment, museums, and lakefront views, while Wrigley Field, home of the Chicago Cubs, is a historic baseball stadium. The Art Institute of Chicago, renowned for its vast collection of Impressionist and Post-Impressionist works, is one of the city’s major cultural attractions.

Evanston

Area, Population, and Zip Codes

  • Area: 7.80 square miles
  • Population: 78,110 (2023 estimate)
  • Zip Codes: 60201, 60202, 60203
  • Latitude: 42.0451° N
  • Longitude: 87.6877° W

Location and History

Evanston is located directly north of Chicago, along the shores of Lake Michigan. Settled in 1854 and named after John Evans, one of the founders of Northwestern University, the city has long been associated with education and culture. Northwestern University, founded in 1851, remains a key influence on the city’s development and reputation. Evanston grew rapidly as a suburb of Chicago during the late 19th and early 20th centuries, becoming known for its progressive social movements, including the temperance movement. Today, Evanston is a thriving, diverse city with a mix of residential neighborhoods, cultural institutions, and business districts.

Major Schools and Landmarks

Evanston’s primary educational institution is Northwestern University, a prestigious private research university. The city is also served by Evanston Township High School. Key landmarks include the Grosse Point Lighthouse, which dates back to 1873 and is listed on the National Register of Historic Places. Dawes Park, located along the lakefront, offers scenic views and recreational activities. The Frances Willard House, once the home of the famous women’s suffrage advocate, is a museum dedicated to her life and work. Evanston also boasts a vibrant downtown area with shops, restaurants, and theaters, contributing to its reputation as a cultural hub in the region.

Oak Park

Area, Population, and Zip Codes

  • Area: 4.69 square miles
  • Population: 54,731 (2023 estimate)
  • Zip Codes: 60301, 60302, 60303, 60304
  • Latitude: 41.8850° N
  • Longitude: 87.7845° W

Location and History

Oak Park is located just west of Chicago, directly bordering the city. Settled in the 1830s and officially incorporated in 1902, Oak Park is famous for its connection to Frank Lloyd Wright, the pioneering architect who designed many homes in the community. The village grew rapidly in the early 20th century, particularly after the construction of rail lines that connected Oak Park to downtown Chicago, making it a desirable suburban community. Oak Park is known for its diversity and progressive values, making it a popular choice for families and professionals looking for a vibrant, historic suburb close to Chicago.

Major Schools and Landmarks

Oak Park is served by Oak Park and River Forest High School, a highly regarded public school, and several private institutions. Frank Lloyd Wright’s Home and Studio, located in Oak Park, is a major landmark and is open to the public as a museum showcasing Wright’s early work. The village also features Unity Temple, another Wright-designed masterpiece. Ernest Hemingway’s Birthplace, the home where the famous author was born, is a popular tourist attraction, along with the Oak Park Conservatory, one of the oldest community conservatories in the nation. Oak Park’s charming downtown is known for its shops, restaurants, and arts scene.

Schaumburg

Area, Population, and Zip Codes

  • Area: 19.25 square miles
  • Population: 74,075 (2023 estimate)
  • Zip Codes: 60173, 60193, 60194, 60195, 60196
  • Latitude: 42.0334° N
  • Longitude: 88.0834° W

Location and History

Schaumburg is located in the northwestern part of Cook County, about 30 miles from downtown Chicago. The village was originally settled in the mid-19th century by German immigrants and remained largely rural until the post-World War II suburban boom. Schaumburg’s transformation into a major suburban center began in the 1960s with the development of large commercial centers and office parks. The opening of the Woodfield Mall in 1971, one of the largest shopping malls in the United States, solidified Schaumburg’s role as a major retail destination in the Chicago metropolitan area.

Major Schools and Landmarks

Schaumburg is part of Schaumburg Township District 54, with Schaumburg High School and several other top-rated schools serving the area. The Woodfield Mall, a major commercial hub, is a landmark in itself, drawing millions of visitors annually with its wide array of shops and restaurants. The Schaumburg Boomers Stadium is home to the Schaumburg Boomers, an independent minor league baseball team. Another key attraction is the Legoland Discovery Center, a popular family destination. The Spring Valley Nature Sanctuary provides trails and educational programs, offering a natural respite in the midst of Schaumburg’s bustling commercial areas.

Cicero

Area, Population, and Zip Codes

  • Area: 5.86 square miles
  • Population: 84,477 (2023 estimate)
  • Zip Codes: 60804
  • Latitude: 41.8456° N
  • Longitude: 87.7539° W

Location and History

Cicero, one of the oldest and largest towns in Cook County, is located directly west of Chicago’s city limits. Established in 1857, Cicero was initially much larger but lost territory over time as parts of the town were annexed by Chicago and other neighboring towns. The town’s history is intertwined with industrialization, and it became a major manufacturing hub in the early 20th century. Cicero is also famous for its association with notorious gangster Al Capone, who made the town his headquarters during the 1920s. Today, Cicero remains a predominantly working-class community with a rich cultural heritage.

Major Schools and Landmarks

Cicero is served by Cicero School District 99 and J. Sterling Morton High School District 201, with Morton East High School being the primary high school. Cicero’s landmarks include Hawthorne Race Course, a major horse racing track that has been in operation since 1891. The Chodl Auditorium, located within Morton East High School, is a historic venue known for its architecture and cultural significance. Cicero Community Park offers recreational facilities, and the town’s vibrant Czech heritage is celebrated annually with the Houby Day Festival, which honors the local Czech and Slovak communities.

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