Poweshiek County, Iowa
Poweshiek County, Iowa · ZIP 50104, 50106, 50112
- Census data · ACS 2019-2023
- 18,454 (2024 estimate)Population
- 7,791Households
- $64,837Median household income
- $184,200Median home value
- 9Towns with a page
- 12ZIP codes
Poweshiek County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 18,815 |
| 2010 | 18,914 |
| 2020 | 18,662 |
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 $64,837 · 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
- 5,507 units
- Renter occupied
- 2,284 units
- Vacancy rate
- 12.9%
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.
9,789 employees in 571 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 | Poweshiek County | Iowa |
|---|---|---|
| Population | 18,582 | 3,195,937 |
| Median household income | $64,837 | $73,147 |
| Median age | 40.8 | 38.6 |
| Median home value | $184,200 | $195,900 |
| Bachelor’s degree or higher | 28.2% | 30.9% |
| Foreign-born residents | 3.4% | 5.7% |
| Owner-occupied homes | 70.7% | 71.5% |
| Mean commute to work | 19.3 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 Poweshiek County9 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Grinnell | City | 9,495 | 5.69 sq mi |
| Brooklyn | City | 1,474 | 1.38 sq mi |
| Montezuma | City | 1,421 | 2.47 sq mi |
| Holiday Lake | Census designated place | 321 | 2.68 sq mi |
| Malcom | City | 257 | 0.83 sq mi |
| Deep River | City | 243 | 0.44 sq mi |
| Searsboro | City | 129 | 0.45 sq mi |
| Hartwick | City | 91 | 0.16 sq mi |
| Guernsey | City | 59 | 0.56 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 Poweshiek County
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Neighboring counties
Neighboring counties
- Benton CountyPopulation 25,799 (2024 estimate)
- Iowa CountyPopulation 16,423 (2024 estimate)
- Jasper CountyPopulation 38,107 (2024 estimate)
- Keokuk CountyPopulation 9,855 (2024 estimate)
- Mahaska CountyPopulation 22,034 (2024 estimate)
- Marshall CountyPopulation 40,392 (2024 estimate)
- Tama CountyPopulation 16,738 (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.