Sioux County, Iowa
Population estimates, July 1, 2024, (V2024) 36,554
People
Population
Population estimates, July 1, 2025, (V2025) 36,774
Population estimates, July 1, 2024, (V2024) 36,554
Population estimates base, April 1, 2020, (V2025) 35,869
Population estimates base, April 1, 2020, (V2024) 35,876
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 2.5%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 1.9%
Population, Census, April 1, 2020 35,872
Population, Census, April 1, 2010 33,704
Age and Sex
Persons under 5 years, percent 7.1%
Persons under 18 years, percent 26.8%
Persons 65 years and over, percent 17.3%
Female persons, percent 49.3%
Race and Hispanic Origin
White alone, percent 95.7%
Black alone, percent(a) 1.0%
American Indian and Alaska Native alone, percent(a) 1.3%
Asian alone, percent(a) 1.0%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 0.9%
Hispanic or Latino, percent(b) 15.3%
White alone, not Hispanic or Latino, percent 82.1%
Population Characteristics
Veterans, 2020-2024 966
Foreign-born persons, percent, 2020-2024 8.5%
Housing
Housing Units, July 1, 2025, (V2025) 13,790
Owner-occupied housing unit rate, 2020-2024 76.1%
Median value of owner-occupied housing units, 2020-2024 $250,100
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,654
Median selected monthly owner costs - without a mortage, 2020-2024 $613
Median gross rent, 2020-2024 $908
Building Permits, 2025 359
Families & Living Arrangements
Households, 2020-2024 12,690
Persons per household, 2020-2024 2.67
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.6%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 12.5%
Computer and Internet Use
Households with a computer, percent, 2020-2024 95.2%
Households with a broadband Internet subscription, percent, 2020-2024 92.4%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 90.9%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 30.6%
Health
With a disability, under age 65 years, percent, 2020-2024 5.9%
Persons without health insurance, under age 65 years, percent 6.4%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 70.3%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 65.1%
Total accommodation and food services sales, 2022 ($1,000)(c) 54,980
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 287,599
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 135,074
Total retail sales, 2022 ($1,000)(c) 575,300
Total retail sales per capita, 2022(c) $15,924
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 13.5
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $86,098
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $37,166
Persons in poverty, percent 7.3%
Businesses
Businesses
Total employer establishments, 2023 1,345
Total employment, 2023 20,910
Total annual payroll, 2023 ($1,000) 1,081,728
Total employment, percent change, 2022-2023 1.3%
Total nonemployer establishments, 2023 3,024
All employer firms, Reference year 2023 1,304
Male-owned employer firms, Reference year 2023 757
Female-owned employer firms, Reference year 2023 110
Minority-owned employer firms, Reference year 2023 45
Nonminority-owned employer firms, Reference year 2023 1,171
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 1,141
Geography
Geography
Population per square mile, 2020 46.7
Population per square mile, 2010 43.9
Land area in square miles, 2020 767.91
Land area in square miles, 2010 768.33
FIPS Code 19167