Sioux County, Iowa
Sioux County, Iowa · ZIP 51003, 51011, 51022
- Census data · ACS 2019-2023
- 36,554 (2024 estimate)Population
- 12,576Households
- $84,736Median household income
- $235,600Median home value
- 13Towns with a page
- 16ZIP codes
Sioux County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 31,589 |
| 2010 | 33,704 |
| 2020 | 35,872 |
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 $84,736 · 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
- 9,787 units
- Renter occupied
- 2,789 units
- Vacancy rate
- 4.5%
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 19, retrieved November 14, 2026.
20,910 employees in 1,345 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 | Sioux County | Iowa |
|---|---|---|
| Population | 35,984 | 3,195,937 |
| Median household income | $84,736 | $73,147 |
| Median age | 34.0 | 38.6 |
| Median home value | $235,600 | $195,900 |
| Bachelor’s degree or higher | 30.4% | 30.9% |
| Foreign-born residents | 7.6% | 5.7% |
| Owner-occupied homes | 77.8% | 71.5% |
| Mean commute to work | 12.7 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 Sioux County13 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Sioux Center | City | 8,675 | 6.70 sq mi |
| Orange City | City | 6,547 | 4.60 sq mi |
| Rock Valley | City | 4,024 | 4.46 sq mi |
| Hawarden | City | 2,630 | 2.77 sq mi |
| Hull | City | 2,459 | 1.44 sq mi |
| Alton | City | 1,248 | 1.91 sq mi |
| Hospers | City | 703 | 0.53 sq mi |
| Boyden | City | 694 | 0.68 sq mi |
| Ireton | City | 571 | 1.02 sq mi |
| Granville | City | 302 | 0.29 sq mi |
| Maurice | City | 271 | 0.60 sq mi |
| Matlock | City | 74 | 0.38 sq mi |
| Chatsworth | City | 72 | 0.50 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 Sioux County
No job is posted in Sioux 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 Sioux County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Cherokee CountyPopulation 11,658 (2024 estimate)
- Lincoln CountyPopulation 75,244 (2024 estimate)
- Lyon CountyPopulation 12,378 (2024 estimate)
- O'Brien CountyPopulation 14,260 (2024 estimate)
- Osceola CountyPopulation 6,036 (2024 estimate)
- Plymouth CountyPopulation 25,825 (2024 estimate)
- Union CountyPopulation 17,402 (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 46, retrieved November 14, 2026.