Pennington County, South Dakota
Population estimates, July 1, 2025, (V2025) 116,792
People
Population
Population estimates, July 1, 2025, (V2025) 116,792
Population estimates, July 1, 2024, (V2024) 115,979
Population estimates base, April 1, 2020, (V2025) 109,231
Population estimates base, April 1, 2020, (V2024) 109,229
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 6.9%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 6.2%
Population, Census, April 1, 2020 109,222
Population, Census, April 1, 2010 100,948
Age and Sex
Persons under 5 years, percent 5.7%
Persons under 18 years, percent 21.7%
Persons 65 years and over, percent 21.0%
Female persons, percent 48.9%
Race and Hispanic Origin
White alone, percent 82.7%
Black alone, percent(a) 1.5%
American Indian and Alaska Native alone, percent(a) 10.1%
Asian alone, percent(a) 1.5%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 4.2%
Hispanic or Latino, percent(b) 6.1%
White alone, not Hispanic or Latino, percent 78.9%
Population Characteristics
Veterans, 2020-2024 10,727
Foreign-born persons, percent, 2020-2024 2.5%
Housing
Housing Units, July 1, 2025, (V2025) 55,368
Owner-occupied housing unit rate, 2020-2024 69.3%
Median value of owner-occupied housing units, 2020-2024 $302,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,803
Median selected monthly owner costs - without a mortage, 2020-2024 $689
Median gross rent, 2020-2024 $1,120
Building Permits, 2025 563
Families & Living Arrangements
Households, 2020-2024 46,370
Persons per household, 2020-2024 2.37
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 83.3%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 4.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 95.2%
Households with a broadband Internet subscription, percent, 2020-2024 90.6%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 94.6%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 34.6%
Health
With a disability, under age 65 years, percent, 2020-2024 11.2%
Persons without health insurance, under age 65 years, percent 10.6%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 62.8%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 59.5%
Total accommodation and food services sales, 2022 ($1,000)(c) 586,622
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) D
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 254,758
Total retail sales, 2022 ($1,000)(c) 3,442,926
Total retail sales per capita, 2022(c) $30,120
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 19.4
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $74,517
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $42,302
Persons in poverty, percent 9.8%
Businesses
Businesses
Total employer establishments, 2023 4,137
Total employment, 2023 52,402
Total annual payroll, 2023 ($1,000) 2,677,802
Total employment, percent change, 2022-2023 1.0%
Total nonemployer establishments, 2023 10,004
All employer firms, Reference year 2023 4,088
Male-owned employer firms, Reference year 2023 2,440
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 115
Nonminority-owned employer firms, Reference year 2023 3,467
Veteran-owned employer firms, Reference year 2023 236
Nonveteran-owned employer firms, Reference year 2023 3,406
Geography
Geography
Population per square mile, 2020 39.3
Population per square mile, 2010 36.4
Land area in square miles, 2020 2,776.77
Land area in square miles, 2010 2,776.55
FIPS Code 46103