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Cities and Towns in the United States > State Illinois > Jefferson County
Birth certificate - U.S. Vital Records
Jefferson County is located in the state of Illinois and is known for its rich history and natural beauty. Visitors can explore the picturesque landscapes of Rend Lake and Wayne Fitzgerrell State Park, which offer opportunities for outdoor activities such as hiking, fishing, and camping. The county is also home to historical sites like the Jefferson County Historical Village and the Illinois Central Railroad Depot, providing insight into the region's past. Additionally, Jefferson County hosts the annual Jefferson County Fair, showcasing local agricultural traditions and offering entertainment for all ages. With its diverse attractions and cultural heritage, Jefferson County offers something for everyone to enjoy.

Jefferson County (IL) Statistics

Number of cities/towns/villages15
Population38,000 people
Area584 sq mi
Density65 /sq mi
Altitude490 ft
Median Household Income$43,000
Poverty rate15%
Unemployment rate6%
Educational Attainment (Bachelor's Degree or higher)19%

Environmental risk in Jefferson County, IL

Overall riskRelatively Low
Expected Annual LossRelatively Low
Social VulnerabilityRelatively High
Community ResilienceRelatively High
Avalanche RiskNot Applicable
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively Moderate
Drought RiskRelatively Low
Earthquake RiskRelatively Moderate
Hail RiskVery Low
Heat Wave RiskRelatively Moderate
Hurricane RiskVery Low
Ice Storm RiskVery Low
Landslide RiskRelatively Low
Lightning RiskRelatively Low
Riverine Flooding RiskRelatively Low
Strong Wind RiskRelatively High
Tornado RiskRelatively Moderate
Tsunami RiskNot Applicable
Volcanic Activity RiskNot Applicable
Wildfire RiskVery Low
Winter Weather RiskRelatively Moderate

Data obtained from the FEMA National Risk Index.

Jefferson County administration contact details

Jefferson County administration contact details 100 S. 10th St., Mt Vernon, IL 62864
County seat Mt Vernon
Phone number (618) 244-8020
Email address [email protected]
Official website www.jeffersoncountyillinois.com
County clerk Connie Simmons
County permits office or building department contact details (618) 244-8010
County commissioner Herb Williams

Get the contact information for all cities and towns in this county. Find general information, official websites, email, phone numbers, addresses, and much more.

Find below the complete list of cities and towns in Jefferson County:

  • MOUNT VERNON

    Mount Vernon is a City in Jefferson county with -20 000 inhabitants.

  • INA

    Ina is a Village in Jefferson county with -2 500 inhabitants.

  • BLUFORD

    Bluford is a Village in Jefferson county with -1 000 inhabitants.

  • WOODLAWN

    Woodlawn is a Village in Jefferson county with -1 000 inhabitants.

  • DIX

    Dix is a Village in Jefferson county with -500 inhabitants.

  • BONNIE

    Bonnie is a Village in Jefferson county with -500 inhabitants.

  • WALTONVILLE

    Waltonville is a Village in Jefferson county with -500 inhabitants.

  • BELLE RIVE

    Belle Rive is a Village in Jefferson county with -500 inhabitants.

  • NASON

    Nason is a City in Jefferson county with -500 inhabitants.

Birth certificate - U.S. Vital Records