Buffalo County, South Dakota
Population estimates, July 1, 2025, (V2025) 1,802
People
Population
Population estimates, July 1, 2025, (V2025) 1,802
Population estimates, July 1, 2024, (V2024) 1,825
Population estimates base, April 1, 2020, (V2025) 1,943
Population estimates base, April 1, 2020, (V2024) 1,945
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -7.3%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -6.2%
Population, Census, April 1, 2020 1,948
Population, Census, April 1, 2010 1,912
Age and Sex
Persons under 5 years, percent 8.7%
Persons under 18 years, percent 35.8%
Persons 65 years and over, percent 10.8%
Female persons, percent 49.7%
Race and Hispanic Origin
White alone, percent 15.7%
Black alone, percent(a) 1.1%
American Indian and Alaska Native alone, percent(a) 79.0%
Asian alone, percent(a) 0.2%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 3.9%
Hispanic or Latino, percent(b) 2.7%
White alone, not Hispanic or Latino, percent 15.1%
Population Characteristics
Veterans, 2020-2024 116
Foreign-born persons, percent, 2020-2024 0.0%
Housing
Housing Units, July 1, 2025, (V2025) 573
Owner-occupied housing unit rate, 2020-2024 52.6%
Median value of owner-occupied housing units, 2020-2024 $117,800
Median selected monthly owner costs - with a mortgage, 2020-2024 -
Median selected monthly owner costs - without a mortage, 2020-2024 $362
Median gross rent, 2020-2024 $540
Building Permits, 2025 NA
Families & Living Arrangements
Households, 2020-2024 508
Persons per household, 2020-2024 3.56
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 99.3%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 0.9%
Computer and Internet Use
Households with a computer, percent, 2020-2024 81.9%
Households with a broadband Internet subscription, percent, 2020-2024 68.7%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 88.1%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 9.9%
Health
With a disability, under age 65 years, percent, 2020-2024 10.8%
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 54.7%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 52.6%
Total accommodation and food services sales, 2022 ($1,000)(c) NA
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 2,687
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) NA
Total retail sales, 2022 ($1,000)(c) D
Total retail sales per capita, 2022(c) NA
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 13.4
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $47,045
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $17,360
Persons in poverty, percent 36.3%
Businesses
Businesses
Total employer establishments, 2023 11
Total employment, 2023 135
Total annual payroll, 2023 ($1,000) 3,909
Total employment, percent change, 2022-2023 -14.0%
Total nonemployer establishments, 2023 62
All employer firms, Reference year 2023 S
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 S
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 S
Geography
Geography
Population per square mile, 2020 4.1
Population per square mile, 2010 4.1
Land area in square miles, 2020 471.41
Land area in square miles, 2010 471.38
FIPS Code 46017