Sioux County, Iowa
Sioux County: County in Nebraska, United States
About
Sioux County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 33,704 and a population density of 6 people per km². After 10 years in 2020 county had an estimated population of 35,043 inhabitants. Its county seat is Harrison. The county was created 148 years ago in 1876.
Quick Facts about Sioux County
| Population : | 35,043 (2020) |
| Country : | United States of America |
| State : | Iowa (United States) |
| Different from : | Sioux County, Sioux County |
| Area : | 5354 km2 |
| Water as percent of area : | 0.03% |
| Land as percent of area : | 99.97% |
| Named for : | Sioux |
| Altitude : | 1,178 feet / 359 meters |
| Capital : | Harrison |
| Establishment : | January 01, 1877 |
| Time Zone : | America/Denver |
| Local time : | 10:38:40 (22nd February 2025) |
| Density : | 7 Pop. per km² as of 2020 |
| Population growth : | 3.82% (2010-2020) |
Geography
Sioux County is located at 43°4'57"N 96°10'40"W (43.0826200, -96.1778800). It has 2 neighbors: Scotts Bluff County and Fall River County.
Sioux County map
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The largest city of Sioux County is Sioux Center with a population of 7,665. Other cities include, Orange City population 6,182, Rock Valley population 3,901, Hawarden population 2,443 and Hull population 2,296. See all Sioux County cities & populated places.
Sioux County Populated Places
Cities, towns, neighborhoods & other populated places in Sioux County.
| City Name | Population | Title |
|---|---|---|
| Sioux Center | 7,665 | City in Sioux County, Iowa, United States of America |
| Orange City | 6,182 | City in Western Iowa |
| Rock Valley | 3,901 | City in Sioux County, Iowa, United States of America |
| Hawarden | 2,443 | City in Sioux County, Iowa, United States |
| Hull | 2,296 | City in Sioux County, Iowa, United States |
| Alton | 1,249 | Human settlement in Sioux County, Iowa, United States of America |
| Hospers | 699 | Human settlement in Sioux County, Iowa, United States of America |
| Boyden | 682 | Human settlement in Sioux County, Iowa, United States of America |
| Granville | 303 | City in Iowa, United States |
| Maurice | 270 | Human settlement in Sioux County, Iowa, United States of America |
| Matlock | 89 | Human settlement in Sioux County, Iowa, United States of America |
| Chatsworth | 81 | City in Iowa, United States |
Sioux County has 2 neighbours.
- Scotts Bluff County county in Nebraska, United States
- Fall River County county in South Dakota, United States
- Harrison
Demographics
The population of Sioux County increased by 3.82% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 33,704 | - | census |
| 2011 | 34,016 | 0.92% | estimation process |
| 2012 | 34,282 | 0.78% | estimation process |
| 2013 | 34,503 | 0.64% | estimation process |
| 2014 | 34,635 | 0.38% | estimation process |
| 2015 | 34,754 | 0.34% | estimation process |
| 2016 | 34,944 | 0.54% | estimation process |
| 2017 | 34,781 | -0.47% | estimation process |
| 2018 | 34,802 | 0.06% | estimation process |
| 2019 | 34,855 | 0.15% | estimation process |
| 2020 | 35,043 | 0.54% | estimation process |
Other places with the same name (3)
- Sioux County , North Dakota county in North Dakota, United States with a population of 4,173 people.
- Sioux County , Nebraska county in Nebraska, United States with a population of 1,200 people.
Iowa Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Indiana | 820,445 | A city located in the state of Iowa. |
| Polk County | 494,281 | County in Iowa, United States |
| Linn County | 227,854 | County in Oregon, United States |
| Des Moines | 212,312 | The capital of Iowa. |
| Scott County | 173,216 | County in Tennessee, United States |
| Johnson County | 153,740 | County in Iowa, United States |
| Cedar Rapids | 134,027 | The second most populous city in Iowa. |
| Black Hawk County | 130,786 | County in Iowa, United States |
| Woodbury County | 103,138 | County in Iowa, United States of America |
| Davenport | 101,799 | The most populous city in Scott County, Iowa. |
| Story County | 98,237 | County in Iowa, United States |
| Dubuque County | 97,590 | County in Iowa, United States |
| Dallas County | 96,963 | County in Iowa, United States |
| Pottawattamie County | 93,328 | County in Iowa, United States of America |
| Sioux City | 82,651 | The second most populous city in Iowa. |
| Iowa City | 75,130 | The most populous city in Johnson County, Iowa. |
