Jefferson County, Missouri
MO · FIPS 29099 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 229,458 | — | #311 / 3,222 | |
| Median Household Income | $82,851 | +10.2% | #489 / 3,222 | |
| Median Age | 40.3 years | +3.6% | #2,030 / 3,222 | |
| Median Home Value | $237,200 | -15.9% | #1,020 / 3,222 | |
| Median Gross Rent | $979 | -15.8% | #1,067 / 3,222 | |
| Poverty Rate | 9.0% | -28.4% | #579 / 3,222 | |
Demographics
Jefferson County has a population of 229,458, making it the #311 most populous county in the US. The median age is 40.3 years, which is 3.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Jefferson County is $82,851, ranking #489 out of 3,222 counties — 10.2% above the national median. The poverty rate is 9.0% and unemployment stands at 3.2%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Jefferson County is $237,200 (-15.9% vs national). Renters pay a median of $979/mo and the homeownership rate is 82.2%.
Median Home Value Trend
Rankings →Health
93.4% of residents in Jefferson County have health insurance coverage, which is 1.8% above the national rate.
About Jefferson County, Missouri
Jefferson County, Missouri has a total population of 229,458, making it the 311th most populous county in the United States. The median age in Jefferson County is 40.3 years, which is 3.6% above the national median of 38.9 years.
The median household income in Jefferson County is $82,851, which ranks #489 of 3,222 counties nationwide. This is 10.2% above the national median of $75,149. The poverty rate is 9.0%, lower than the national rate of 12.6%. The unemployment rate stands at 3.2%.
The median home value in Jefferson County is $237,200, 15.9% below the national median. Renters in Jefferson County pay a median gross rent of $979 per month. The homeownership rate is 82.2%, compared to the national rate of 64.4%.
In Jefferson County, 24.7% of residents aged 25 and older hold a bachelor's degree or higher, 26.7% below the national average of 33.7%. Health insurance coverage stands at 93.4% of the population. The average commute time for workers is 33.8 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.5% of the population, followed by Two or More Races (6.5%) and Hispanic or Latino (2.6%).
All data for Jefferson County, Missouri comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.