Jefferson County, Missouri

MO · FIPS 29099 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
229,458
Rank #311 of 3,222
90th %ile
Median Household Income
$82,851 +10.2% vs nat'l
Rank #489 of 3,222
85th %ile
Poverty Rate
9.0% −28.4% vs nat'l
Rank #579 of 3,222
82th %ile
Median Home Value
$237,200 −15.9% vs nat'l
Rank #1,020 of 3,222
68th %ile
Bachelor's Degree or Higher
24.7% −26.7% vs nat'l
Rank #1,267 of 3,222
61th %ile
Unemployment Rate
3.2% −39.9% vs nat'l
Rank #792 of 3,222
75th %ile

At a Glance

82.2% Homeownership
93.4% Insured
24.7% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Two or More RacesHispanic or LatinoBlack (non-Hispanic)Asian (non-Hispanic)Other (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%21.8%43.6%65.4%87.2%88.5%6.5%2.6%1.0%1.0%0.3%0.1%0.0%

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.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.