Day County, South Dakota
Population estimates, July 1, 2025, (V2025) 5,484
People
Population
Population estimates, July 1, 2025, (V2025) 5,484
Population estimates, July 1, 2024, (V2024) 5,408
Population estimates base, April 1, 2020, (V2025) 5,452
Population estimates base, April 1, 2020, (V2024) 5,444
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.6%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -0.7%
Population, Census, April 1, 2020 5,449
Population, Census, April 1, 2010 5,710
Age and Sex
Persons under 5 years, percent 5.0%
Persons under 18 years, percent 21.7%
Persons 65 years and over, percent 27.4%
Female persons, percent 49.1%
Race and Hispanic Origin
White alone, percent 85.7%
Black alone, percent(a) 0.6%
American Indian and Alaska Native alone, percent(a) 9.6%
Asian alone, percent(a) 0.9%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 3.2%
Hispanic or Latino, percent(b) 3.0%
White alone, not Hispanic or Latino, percent 83.7%
Population Characteristics
Veterans, 2020-2024 364
Foreign-born persons, percent, 2020-2024 1.7%
Housing
Housing Units, July 1, 2025, (V2025) 3,532
Owner-occupied housing unit rate, 2020-2024 74.6%
Median value of owner-occupied housing units, 2020-2024 $173,600
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,247
Median selected monthly owner costs - without a mortage, 2020-2024 $588
Median gross rent, 2020-2024 $660
Building Permits, 2025 30
Families & Living Arrangements
Households, 2020-2024 2,371
Persons per household, 2020-2024 2.24
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 86.2%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 3.9%
Computer and Internet Use
Households with a computer, percent, 2020-2024 87.3%
Households with a broadband Internet subscription, percent, 2020-2024 83.8%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 93.4%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 22.0%
Health
With a disability, under age 65 years, percent, 2020-2024 6.2%
Persons without health insurance, under age 65 years, percent 12.5%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 57.5%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 52.5%
Total accommodation and food services sales, 2022 ($1,000)(c) 9,407
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 24,389
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) D
Total retail sales, 2022 ($1,000)(c) 110,330
Total retail sales per capita, 2022(c) $20,152
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 22.3
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $66,033
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $39,593
Persons in poverty, percent 15.5%
Businesses
Businesses
Total employer establishments, 2023 226
Total employment, 2023 1,372
Total annual payroll, 2023 ($1,000) 60,284
Total employment, percent change, 2022-2023 -4.4%
Total nonemployer establishments, 2023 516
All employer firms, Reference year 2023 236
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 12
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 5.3
Population per square mile, 2010 5.6
Land area in square miles, 2020 1,028.49
Land area in square miles, 2010 1,027.87
FIPS Code 46037