Jefferson County, Missouri
Jefferson County is home to 229,458 people. 9.0% of residents live below the poverty line, below the Missouri rate (12.6%). The median household income is $82,851.
Open the interactive county page · See it on the map
| Measure | Value | Missouri | Year | Source |
|---|---|---|---|---|
| Population | 229,458 | 6,191,814 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median household income | $82,851 | $70,702 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Below poverty line | 9.0% | 12.6% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Children in poverty | 11.6% | 15.8% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| No health insurance | 6.6% | 8.8% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Bachelor's degree or higher | 24.7% | 32.4% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median home value | $237,200 | $230,300 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median gross rent | $979 | $1,033 | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Renters paying 30%+ of income | 39.4% | 45.6% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Foreign-born | 2.3% | 4.5% | 2024 | Decennial Census and American Community Survey 5-year estimates |
| Median age | 40.3 years | 39.0 years | 2024 | Decennial Census and American Community Survey 5-year estimates |
Neighboring counties
- Monroe County, Illinois
- Franklin County
- Ste. Genevieve County
- St. Francois County
- St. Louis County
- Washington County
Figures are the latest published estimates, from the sources named; survey estimates carry margins of error.