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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.

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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

Jefferson County, IL Sheriff's Office and Jail Information

Number of prisons1
Jail namesJefferson County Jail
Sheriff office address911 Casey Avenue, Mt. Vernon, IL 62864
Sheriff office phone number618-244-8004
Inmate search informationTo locate an inmate in Jefferson County, IL, visit the Sheriff's website's inmate search page or call the jail directly for assistance.
Clerk of Court nameJohn Scott

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

Data obtained from the FEMA National Risk Index.

counties surrounding Jefferson

Franklin 21.3 milesMarion 24.1 milesHamilton 25.8 miles
Washington 26.6 milesPerry 28.3 milesWayne 28.4 miles

List of cities and towns in Jefferson County by population size

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Birth certificate - U.S. Vital Records