Custer County, South Dakota
Population, Census, April 1, 2020 8,318
People
Population
Population estimates, July 1, 2025, (V2025) 9,431
Population estimates, July 1, 2024, (V2024) 9,330
Population estimates base, April 1, 2020, (V2025) 8,319
Population estimates base, April 1, 2020, (V2024) 8,325
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 13.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 12.1%
Population, Census, April 1, 2020 8,318
Population, Census, April 1, 2010 8,216
Age and Sex
Persons under 5 years, percent 3.9%
Persons under 18 years, percent 14.1%
Persons 65 years and over, percent 35.6%
Female persons, percent 49.9%
Race and Hispanic Origin
White alone, percent 92.1%
Black alone, percent(a) 1.0%
American Indian and Alaska Native alone, percent(a) 3.3%
Asian alone, percent(a) 1.2%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 2.4%
Hispanic or Latino, percent(b) 3.5%
White alone, not Hispanic or Latino, percent 89.6%
Population Characteristics
Veterans, 2020-2024 995
Foreign-born persons, percent, 2020-2024 2.7%
Housing
Housing Units, July 1, 2025, (V2025) 6,139
Owner-occupied housing unit rate, 2020-2024 85.6%
Median value of owner-occupied housing units, 2020-2024 $372,100
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,888
Median selected monthly owner costs - without a mortage, 2020-2024 $727
Median gross rent, 2020-2024 $1,112
Building Permits, 2025 260
Families & Living Arrangements
Households, 2020-2024 4,451
Persons per household, 2020-2024 1.95
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 92.2%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 5.6%
Computer and Internet Use
Households with a computer, percent, 2020-2024 93.6%
Households with a broadband Internet subscription, percent, 2020-2024 87.8%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 94.7%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 31.6%
Health
With a disability, under age 65 years, percent, 2020-2024 10.9%
Persons without health insurance, under age 65 years, percent 11.3%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 55.2%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 51.0%
Total accommodation and food services sales, 2022 ($1,000)(c) 59,776
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) D
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 7,554
Total retail sales, 2022 ($1,000)(c) 82,876
Total retail sales per capita, 2022(c) $9,187
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 29.5
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $84,112
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $52,898
Persons in poverty, percent 9.6%
Businesses
Businesses
Total employer establishments, 2023 327
Total employment, 2023 1,536
Total annual payroll, 2023 ($1,000) 72,779
Total employment, percent change, 2022-2023 1.7%
Total nonemployer establishments, 2023 1,004
All employer firms, Reference year 2023 162
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 105
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 S
Geography
Geography
Population per square mile, 2020 5.3
Population per square mile, 2010 5.3
Land area in square miles, 2020 1,556.94
Land area in square miles, 2010 1,557.00
FIPS Code 46033