Grundy County, Iowa
Grundy County, Iowa · ZIP 50601, 50604, 50609
- Census data · ACS 2019-2023
- 12,405 (2024 estimate)Population
- 5,085Households
- $83,617Median household income
- $180,500Median home value
- 9Towns with a page
- 17ZIP codes
Grundy County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 12,369 |
| 2010 | 12,453 |
| 2020 | 12,329 |
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 $83,617 · 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
- 4,270 units
- Renter occupied
- 815 units
- Vacancy rate
- 7.4%
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.
2,942 employees in 299 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 | Grundy County | Iowa |
|---|---|---|
| Population | 12,352 | 3,195,937 |
| Median household income | $83,617 | $73,147 |
| Median age | 41.5 | 38.6 |
| Median home value | $180,500 | $195,900 |
| Bachelor’s degree or higher | 24.7% | 30.9% |
| Foreign-born residents | 1.3% | 5.7% |
| Owner-occupied homes | 84.0% | 71.5% |
| Mean commute to work | 22.0 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 Grundy County9 with a page · sort by any column
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 Grundy County
No job is posted in Grundy 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 Grundy County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Black Hawk CountyPopulation 132,348 (2024 estimate)
- Butler CountyPopulation 14,156 (2024 estimate)
- Franklin CountyPopulation 10,024 (2024 estimate)
- Hardin CountyPopulation 16,464 (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.