List of towns and cities in St. Clair County, Illinois

Cities and Towns in the United States > State Illinois > St. Clair County
Birth certificate - U.S. Vital Records
Located in the southwestern part of Illinois, St. Clair County is known for its rich history, scenic beauty, and diverse cultural offerings. Home to vibrant cities such as Belleville and East St. Louis, the county boasts a variety of attractions including the Cahokia Mounds State Historic Site, which preserves the remains of a pre-Columbian Native American city. Nature enthusiasts can explore the lush landscapes at Horseshoe Lake State Park and the historic Eckert's Belleville Farm. Furthermore, St. Clair County hosts a range of festivals and events throughout the year, celebrating its unique heritage and community spirit.

Find below the complete list of cities and towns in St. Clair County:

  • BELLEVILLE

    Belleville is a City in St. Clair county with -50 000 inhabitants.

  • EAST ST. LOUIS

    East St. Louis is a City in St. Clair county with -40 000 inhabitants.

  • O'FALLON

    O'Fallon is a City in St. Clair county with -30 000 inhabitants.

  • CAHOKIA

    Cahokia is a Village in St. Clair county with -20 000 inhabitants.

  • FAIRVIEW HEIGHTS

    Fairview Heights is a City in St. Clair county with -20 000 inhabitants.

  • SWANSEA

    Swansea is a Village in St. Clair county with -15 000 inhabitants.

  • SHILOH

    Shiloh is a Village in St. Clair county with -10 000 inhabitants.

  • CENTREVILLE

    Centreville is a City in St. Clair county with -10 000 inhabitants.

  • MASCOUTAH

    Mascoutah is a City in St. Clair county with -10 000 inhabitants.

  • WASHINGTON PARK

    Washington Park is a Village in St. Clair county with -10 000 inhabitants.

  • CASEYVILLE

    Caseyville is a Village in St. Clair county with -5 000 inhabitants.

  • DUPO

    Dupo is a Village in St. Clair county with -4 000 inhabitants.

  • FREEBURG

    Freeburg is a Village in St. Clair county with -4 000 inhabitants.

  • LEBANON

    Lebanon is a City in St. Clair county with -4 000 inhabitants.

  • MILLSTADT

    Millstadt is a Village in St. Clair county with -3 000 inhabitants.

  • ALORTON

    Alorton is a Village in St. Clair county with -3 000 inhabitants.

  • FAIRMONT CITY

    Fairmont City is a Village in St. Clair county with -2 500 inhabitants.

  • SMITHTON

    Smithton is a Village in St. Clair county with -2 500 inhabitants.

  • MARISSA

    Marissa is a Village in St. Clair county with -2 500 inhabitants.

  • NEW ATHENS

    New Athens is a Village in St. Clair county with -2 000 inhabitants.

  • ST. LIBORY

    St. Libory is a Village in St. Clair county with -1 000 inhabitants.

  • LENZBURG

    Lenzburg is a Village in St. Clair county with -1 000 inhabitants.

  • SUMMERFIELD

    Summerfield is a Village in St. Clair county with -500 inhabitants.

  • FAYETTEVILLE

    Fayetteville is a Village in St. Clair county with -500 inhabitants.

  • EAST CARONDELET

    East Carondelet is a Village in St. Clair county with -500 inhabitants.

  • SAUGET

    Sauget is a Village in St. Clair county with -500 inhabitants.

Statistics
Birth certificate - U.S. Vital Records