Mahaska County, Iowa
Mahaska County, Iowa · ZIP 50027, 50044, 50104
- Census data · ACS 2019-2023
- 22,034 (2024 estimate)Population
- 8,891Households
- $69,019Median household income
- $140,900Median home value
- 9Towns with a page
- 16ZIP codes
Mahaska County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 22,335 |
| 2010 | 22,381 |
| 2020 | 22,190 |
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 19, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 19, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 19, retrieved November 14, 2026.
Median household income $69,019 · 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 19, retrieved November 14, 2026.
- Owner occupied
- 6,031 units
- Renter occupied
- 2,860 units
- Vacancy rate
- 8.4%
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 19, retrieved November 14, 2026.
7,582 employees in 538 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 19, retrieved November 14, 2026.
| Measure | Mahaska County | Iowa |
|---|---|---|
| Population | 22,045 | 3,195,937 |
| Median household income | $69,019 | $73,147 |
| Median age | 39.1 | 38.6 |
| Median home value | $140,900 | $195,900 |
| Bachelor’s degree or higher | 23.0% | 30.9% |
| Foreign-born residents | 2.1% | 5.7% |
| Owner-occupied homes | 67.8% | 71.5% |
| Mean commute to work | 17.7 minutes | 19.8 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 19, retrieved November 14, 2026.
Townships, towns and villages in Mahaska County9 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Oskaloosa | City | 11,575 | 8.06 sq mi |
| New Sharon | City | 1,249 | 0.94 sq mi |
| Fremont | City | 688 | 1.06 sq mi |
| University Park | City | 476 | 0.78 sq mi |
| Beacon | City | 434 | 0.78 sq mi |
| Rose Hill | City | 156 | 0.14 sq mi |
| Leighton | City | 153 | 0.09 sq mi |
| Barnes City | City | 152 | 0.59 sq mi |
| Keomah Village | City | 107 | 0.06 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 19 (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 Mahaska County
No job is posted in Mahaska 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 Mahaska County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Jasper CountyPopulation 38,107 (2024 estimate)
- Keokuk CountyPopulation 9,855 (2024 estimate)
- Marion CountyPopulation 34,048 (2024 estimate)
- Monroe CountyPopulation 7,373 (2024 estimate)
- Poweshiek CountyPopulation 18,454 (2024 estimate)
- Wapello CountyPopulation 35,681 (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.