Jefferson County, MO — Population & Demographics
Jefferson County, MO has a population of 228,227. The median household income is $80,522 and the median age is 40.2.
228,227
Population
$80,522
Median Income
$218,800
Median Home Value
40.2
Median Age
Race & Ethnicity
| White | 90.0% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Economy & Income
$80,522
Median Household Income
$37,869
Per Capita Income
5.7%
Poverty Rate
2.4%
Unemployment
Housing
$218,800
Median Home Value
$972
Median Rent
81.4%
Homeownership
Education
91.5%
High School+
23.6%
Bachelor's+
Frequently Asked Questions
Jefferson County, MO has a population of 228,227 according to Census ACS 2023 data.
The median household income in Jefferson County, MO is $80,522.
Data from the American Community Survey (ACS) 5-Year estimates.