Jefferson County, Missouri
Jefferson County, Missouri · ZIP 63010, 63012, 63015
- Census data · ACS 2019-2023
- 231,888 (2024 estimate)Population
- 87,025Households
- $80,522Median household income
- $218,800Median home value
- 25Towns with a page
- 22ZIP codes
Jefferson County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 198,099 |
| 2010 | 218,733 |
| 2020 | 226,739 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 29, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 29, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 29, retrieved November 14, 2026.
Median household income $80,522 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 29, retrieved November 14, 2026.
- Owner occupied
- 70,872 units
- Renter occupied
- 16,153 units
- Vacancy rate
- 6.7%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 29, retrieved November 14, 2026.
41,900 employees in 3,956 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 29, retrieved November 14, 2026.
| Measure | Jefferson County | Missouri |
|---|---|---|
| Population | 228,227 | 6,168,181 |
| Median household income | $80,522 | $68,920 |
| Median age | 40.2 | 38.9 |
| Median home value | $218,800 | $215,600 |
| Bachelor’s degree or higher | 23.6% | 31.9% |
| Foreign-born residents | 2.2% | 4.4% |
| Owner-occupied homes | 81.4% | 67.9% |
| Mean commute to work | 30.4 minutes | 23.7 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 29, retrieved November 14, 2026.
Townships, towns and villages in Jefferson County25 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Arnold | City | 21,036 | 11.5 sq mi |
| Festus | City | 13,730 | 5.93 sq mi |
| Murphy | Census designated place | 8,566 | 3.86 sq mi |
| De Soto | City | 6,503 | 4.50 sq mi |
| Pevely | City | 6,103 | 5.07 sq mi |
| Barnhart | Census designated place | 6,036 | 4.96 sq mi |
| Imperial | Census designated place | 5,617 | 5.24 sq mi |
| Herculaneum | City | 5,321 | 4.17 sq mi |
| Crystal City | City | 4,703 | 4.65 sq mi |
| High Ridge | Census designated place | 4,209 | 3.77 sq mi |
| Hillsboro | City | 3,489 | 3.84 sq mi |
| Byrnes Mill | City | 3,189 | 5.15 sq mi |
| Raintree Plantation | Census designated place | 2,006 | 1.95 sq mi |
| Cedar Hill | Census designated place | 1,568 | 2.30 sq mi |
| LaBarque Creek | Census designated place | 1,292 | 17.6 sq mi |
| Summer Set | Census designated place | 1,222 | 0.91 sq mi |
| Horine | Census designated place | 809 | 0.70 sq mi |
| Olympian Village | City | 712 | 0.57 sq mi |
| Briarwood Estates | Census designated place | 303 | 0.68 sq mi |
| Lake Tekakwitha | Village | 236 | 0.20 sq mi |
| Cedar Hill Lakes | Village | 201 | 0.22 sq mi |
| Scotsdale | Town | 196 | 0.61 sq mi |
| Parkdale | Village | 155 | 0.13 sq mi |
| Kimmswick | City | 131 | 0.23 sq mi |
| Peaceful Village | Village | 96 | 0.20 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 29 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Jefferson County
No job is posted in Jefferson County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Jefferson County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Franklin CountyPopulation 107,256 (2024 estimate)
- Monroe CountyPopulation 34,969 (2024 estimate)
- Ste. Genevieve CountyPopulation 18,546 (2024 estimate)
- St. Francois CountyPopulation 67,503 (2024 estimate)
- St. Louis CountyPopulation 992,929 (2024 estimate)
- Washington CountyPopulation 23,583 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 29, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026.