Marion County, Missouri
Marion County, Missouri · ZIP 63401, 63438, 63439
- Census data · ACS 2019-2023
- 28,425 (2024 estimate)Population
- 11,253Households
- $63,908Median household income
- $158,100Median home value
- 3Towns with a page
- 10ZIP codes
Marion County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 28,289 |
| 2010 | 28,781 |
| 2020 | 28,525 |
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 $63,908 · 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
- 7,856 units
- Renter occupied
- 3,397 units
- Vacancy rate
- 12.7%
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.
10,807 employees in 797 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 | Marion County | Missouri |
|---|---|---|
| Population | 28,493 | 6,168,181 |
| Median household income | $63,908 | $68,920 |
| Median age | 39.4 | 38.9 |
| Median home value | $158,100 | $215,600 |
| Bachelor’s degree or higher | 25.7% | 31.9% |
| Foreign-born residents | 0.7% | 4.4% |
| Owner-occupied homes | 69.8% | 67.9% |
| Mean commute to work | 17.9 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 Marion County3 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Hannibal | City | 16,809 | 16.0 sq mi |
| Palmyra | City | 3,644 | 3.08 sq mi |
| Philadelphia | Census designated place | 250 | 0.76 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 Marion County
No job is posted in Marion 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 Marion County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Adams CountyPopulation 64,109 (2024 estimate)
- Lewis CountyPopulation 9,852 (2024 estimate)
- Monroe CountyPopulation 8,890 (2024 estimate)
- Pike CountyPopulation 14,258 (2024 estimate)
- Ralls CountyPopulation 10,499 (2024 estimate)
- Shelby CountyPopulation 5,926 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 29, retrieved November 14, 2026.