Jefferson, IL County is a vibrant community with a population of 37,362 and a population density of 65 people per square mile. This county is home to many local businesses like the Jefferson County Farmers Market, Jefferson Diner, and The Log Cabin Inn. Outdoor activities such as camping, hiking, biking and fishing are available year-round in this area. Other organizations that help make up the community include The Jefferson County Chamber of Commerce and The YMCA of Jefferson County. Sports fans can enjoy local sporting events at High School football games during the fall season. Overall, Jefferson, IL County is full of life and activity for residents and visitors alike.
The population in Jefferson County is 37,362. There are 65 people per square mile aka population density. The median age in Jefferson County is 41.2, the US median age is 38.4. The number of people per household in Jefferson County is 2.4, the US average of people per household is 2.6.
Family in Jefferson County
- 50.5% are married
- 13.7% are divorced
- 28.8% are married with children
- 16.0% have children, but are single
Race in Jefferson County
- 85.8% are White
- 8.5% are Black
- 1.1% are Asian
- 0.1% are Native American
- 0.1% claim Other
- 2.4% claim Hispanic ethnicity
- 2.0% Two or more races
- 0.0% Hawaiian, Pacific Islander