Mercer County, Missouri
Mercer County, Missouri · ZIP 64632, 64645, 64661
- Census data · ACS 2019-2023
- 3,452 (2024 estimate)Population
- 1,288Households
- $60,357Median household income
- $95,300Median home value
- 13Towns with a page
- 6ZIP codes
Mercer County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 3,757 |
| 2010 | 3,785 |
| 2020 | 3,538 |
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 $60,357 · 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
- 1,019 units
- Renter occupied
- 269 units
- Vacancy rate
- 32.5%
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.
384 employees in 79 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 | Mercer County | Missouri |
|---|---|---|
| Population | 3,501 | 6,168,181 |
| Median household income | $60,357 | $68,920 |
| Median age | 40.8 | 38.9 |
| Median home value | $95,300 | $215,600 |
| Bachelor’s degree or higher | 17.9% | 31.9% |
| Foreign-born residents | 3.3% | 4.4% |
| Owner-occupied homes | 79.1% | 67.9% |
| Mean commute to work | 24.3 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 Mercer County13 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Morgan Township | Township | 1,395 | 51.5 sq mi |
| Princeton | City | 983 | 1.59 sq mi |
| Marion Township | Township | 707 | 51.7 sq mi |
| Washington Township | Township | 372 | 56.8 sq mi |
| Mercer | Town | 259 | 0.37 sq mi |
| Madison Township | Township | 245 | 41.4 sq mi |
| Harrison Township | Township | 209 | 43.5 sq mi |
| Ravanna Township | Township | 192 | 57.4 sq mi |
| Medicine Township | Township | 134 | 49.2 sq mi |
| Lindley Township | Township | 110 | 58.0 sq mi |
| Somerset Township | Township | 88 | 44.3 sq mi |
| Ravanna | Census designated place | 62 | 3.96 sq mi |
| South Lineville | Town | 13 | 0.05 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 Mercer County
No job is posted in Mercer 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 Mercer County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Decatur CountyPopulation 7,656 (2024 estimate)
- Grundy CountyPopulation 9,766 (2024 estimate)
- Harrison CountyPopulation 8,186 (2024 estimate)
- Putnam CountyPopulation 4,539 (2024 estimate)
- Sullivan CountyPopulation 5,750 (2024 estimate)
- Wayne CountyPopulation 6,622 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 19, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 29, retrieved November 14, 2026.