Jefferson County, Missouri
Persons in poverty, percent 9.3%
People
Population
Population estimates, July 1, 2025, (V2025) 233,132
Population estimates, July 1, 2024, (V2024) 231,888
Population estimates base, April 1, 2020, (V2025) 226,573
Population estimates base, April 1, 2020, (V2024) 226,569
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 2.9%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 2.3%
Population, Census, April 1, 2020 226,739
Population, Census, April 1, 2010 218,733
Age and Sex
Persons under 5 years, percent 5.2%
Persons under 18 years, percent 21.8%
Persons 65 years and over, percent 17.9%
Female persons, percent 50.0%
Race and Hispanic Origin
White alone, percent 95.1%
Black alone, percent(a) 1.5%
American Indian and Alaska Native alone, percent(a) 0.3%
Asian alone, percent(a) 1.0%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 2.0%
Hispanic or Latino, percent(b) 2.8%
White alone, not Hispanic or Latino, percent 92.6%
Population Characteristics
Veterans, 2020-2024 12,928
Foreign-born persons, percent, 2020-2024 2.3%
Housing
Housing Units, July 1, 2025, (V2025) 96,228
Owner-occupied housing unit rate, 2020-2024 82.2%
Median value of owner-occupied housing units, 2020-2024 $237,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,545
Median selected monthly owner costs - without a mortage, 2020-2024 $523
Median gross rent, 2020-2024 $979
Building Permits, 2025 617
Families & Living Arrangements
Households, 2020-2024 88,309
Persons per household, 2020-2024 2.58
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.1%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 3.3%
Computer and Internet Use
Households with a computer, percent, 2020-2024 95.7%
Households with a broadband Internet subscription, percent, 2020-2024 91.7%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 92.0%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 24.7%
Health
With a disability, under age 65 years, percent, 2020-2024 9.3%
Persons without health insurance, under age 65 years, percent 7.7%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 65.7%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 61.6%
Total accommodation and food services sales, 2022 ($1,000)(c) 382,187
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 515,235
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 165,011
Total retail sales, 2022 ($1,000)(c) 2,981,988
Total retail sales per capita, 2022(c) $13,009
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 30.6
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $82,851
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $39,160
Persons in poverty, percent 9.3%
Businesses
Businesses
Total employer establishments, 2023 3,956
Total employment, 2023 41,900
Total annual payroll, 2023 ($1,000) 1,965,232
Total employment, percent change, 2022-2023 2.0%
Total nonemployer establishments, 2023 15,956
All employer firms, Reference year 2023 2,905
Male-owned employer firms, Reference year 2023 1,799
Female-owned employer firms, Reference year 2023 530
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 2,363
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 2,364
Geography
Geography
Population per square mile, 2020 345.4
Population per square mile, 2010 333.1
Land area in square miles, 2020 656.45
Land area in square miles, 2010 656.63
FIPS Code 29099