County · South Dakota

Corson County, South Dakota

Corson County, South Dakota. Corson County had 3,781 residents in 2025 by the Census Bureau's estimate, down 3.0% since 2020, while South Dakota grew 5.5%. It holds 14 places (3 cities, villages and boroughs, 7 towns and townships and 4 census-designated) and 2 census tracts. GEOID 46031.

Residents, July 2025 estimate

3,781

Census Bureau estimate (no margin published)
2020 Census count: 3,902 · ACS 2020-2024: 3,806

Median household income

$46,406

±$11,944 (90% margin)
South Dakota: $75,081

Median home value

$69,800

±$7,756 (90% margin)
South Dakota: $257,400

Median gross rent

$496

±$94 (90% margin)
South Dakota: $946

How many people live in Corson County, and is it growing?

The 2020 Census counted 3,902 residents in Corson County. The Census Bureau estimates 3,781 for July 1, 2025, down 3.0% since 2020, while South Dakota grew 5.5%. The 2020-2024 American Community Survey puts the population at 3,806 over 2,470 square miles of land.

  • July 2020→2021 −45 (3,846)
  • 2021→2022 −37 (3,809)
  • 2022→2023 −33 (3,776)
  • 2023→2024 +1 (3,777)
  • 2024→2025 +4 (3,781)
Corson County in South Dakota. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureCorson CountySouth DakotaChange since 2015-2019
Total population3,806907,428−344
Households1,128±40365,544−67
Average household size3.37±0.122.39no clear change
Housing units1,359±15408,584−182

Corson County's population since 2000

From 4,181 in 2000 to 3,781 in 2025: down 9.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 4,181
  • 2005 (estimate) 4,213
  • 2010 Census 4,050
  • 2015 (estimate) 4,172
  • 2020 Census 3,902
  • 2025 (estimate) 3,781

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Corson County?

Corson County holds 14 places: 3 cities, villages and boroughs (incorporated places), 7 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is McLaughlin with 551 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Corson County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
McLaughlincity569683±128$62,159$62,40022.0%100%
Little EagleGEOID 4637900CDP367275±81$23,750not published73.1%100%
BullheadCDP308294±112$32,589not published67.0%100%
Wakpala TownshipGEOID 4603168180township291144±62$20,938$62,50075.0%100%
WakpalaGEOID 4668140CDP267144±62$20,938$62,50075.0%100%
KenelGEOID 4633540CDP130163±74$68,750$102,50031.3%100%
McIntoshGEOID 4639940city11180±26$97,500$45,8007.5%100%
MorristownGEOID 4643860town4776±33$45,000$23,10022.4%100%
Ridgeland TownshipGEOID 4603154860township4157±30not published$54,20058.5%100%
Custer Township, Corson CountyGEOID 4603115100township3941±47not publishednot published100.0%100%
Pleasant Ridge TownshipGEOID 4603150660township323±6not publishednot published0.0%100%
Rolling Green TownshipGEOID 4603155700township3015±12not publishednot published0.0%100%
Watauga TownshipGEOID 4603169260township2229±22not publishednot published37.9%100%
Prairie View TownshipGEOID 4603151700township2112±10not publishednot published66.7%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Corson County?

The median resident of Corson County is 29.9 years old; 35.3% are under 18 and 13.2% are 65 or older. The largest group is non-Hispanic American Indian and Alaska Native residents at 66.5%, then non-Hispanic white residents at 29.9%.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureCorson CountySouth DakotaChange since 2015-2019
Median age29.9±0.138.0+1.2
Under 18 years35.3%24.2%–
65 years and over13.2%18.0%–
Hispanic or Latino (any race)0.5%±0.4 pts4.8%–
White alone, not Hispanic29.9%±0.4 pts79.8%+1.0 pts
Black or African American alone, not Hispanic0.0%±0.7 pts2.1%–
Asian alone, not Hispanic0.0%±0.7 pts1.4%–
American Indian and Alaska Native alone, not Hispanic66.5%±1.0 pts7.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.7 pts0.0%–
Two or more races, not Hispanic3.0%±1.0 pts4.4%–
Some other race alone, not Hispanic0.0%±0.7 pts0.3%–
Born outside the United States0.0%±0.7 pts4.0%–
Speak a language other than English at home (age 5+)13.7%±2.2 pts7.1%–
Civilian veterans (age 18+)7.0%±1.6 pts7.9%–
With a disability18.3%±2.1 pts12.5%–
No health insurance coverage16.9%±2.2 pts9.0%−6.8 pts
High school graduate or higher (age 25+)86.1%±2.2 pts93.2%–
Bachelor's degree or higher (age 25+)19.0%±2.8 pts31.9%no clear change
Graduate or professional degree (age 25+)3.8%±1.3 pts10.0%–
Moved from another state in the past year1.0%±0.6 pts3.2%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Corson County earn?

Half of Corson County's 1,128 households earn less than $46,406 a year (±$11,944), against $75,081 in South Dakota. In 2015-2019 it was $44,008 in 2024 dollars; the margins of error cannot tell the two periods apart. 44.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureCorson CountySouth DakotaChange since 2015-2019
Median household income$46,406±$11,944$75,081no clear change
Mean household income$73,764±$7,733$98,527–
Per capita income$22,830±$2,365$40,550no clear change
People below the poverty line44.2%±4.6 pts11.9%no clear change
Children under 18 below the poverty line58.3%±6.7 pts14.3%no clear change
Households receiving SNAP25.1%±3.5 pts7.9%–
Households with a broadband subscription85.1%±2.9 pts89.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Corson County?

Owners occupy 59.1% of Corson County's occupied homes and renters 40.9%. The median owner-occupied home is valued at $69,800 by its owner (±$7,756). The median renter pays $496 a month including utilities, and 24.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureCorson CountySouth DakotaChange since 2015-2019
Median home value (owner-occupied)$69,800±$7,756$257,400no clear change
Median gross rent$496±$94$946no clear change
Renters paying 35% or more of income on rent24.8%±7.9 pts30.4%no clear change
Median monthly owner costs, with a mortgage$1,137±$128$1,680–
Owner-occupied homes59.1%±4.4 pts68.6%+5.3 pts
Housing units1,359±15408,584−182
Homeowner vacancy rate0.3%±0.5 pts0.8%–
Rental vacancy rate7.4%±3.4 pts6.0%–
Single-family detached homes83.6%±2.7 pts66.9%–
Mobile homes11.8%±2.3 pts7.2%–
Built 2020 or later1.5%±1.3 pts2.3%–
Built 1939 or earlier17.5%±2.9 pts15.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Corson County building?

Builders took permits for 0 new housing units across Corson County in 2025 (0 single-family), 0.0 per 1,000 residents.

  • 2019 0 units
  • 2020 0 units
  • 2021 0 units
  • 2022 0 units
  • 2023 0 units
  • 2024 0 units
  • 2025 0 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Corson County get to work?

65.2% of Corson County's workers drive alone and 24.2% work from home. The average trip to work takes 21.0 minutes. The unemployment rate in 2020-2024 averaged 23.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureCorson CountySouth DakotaChange since 2015-2019
In the labor force (age 16+)56.4%±3.5 pts67.2%–
Unemployment rate23.5%±4.2 pts2.9%no clear change
Drove alone to work65.2%±4.8 pts77.0%–
Carpooled6.3%±2.0 pts8.3%–
Public transportation0.0%±2.2 pts0.5%–
Walked2.1%±1.1 pts3.1%–
Worked from home24.2%±4.2 pts9.7%−6.3 pts
Mean travel time to work21.0 min±1.617.8 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Corson County's census tracts?

Corson County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $46,250 (Tract 9411) to $48,000 (Tract 9410).

Census tracts of Corson County, ACS 2020-2024 5-year estimates; sort by any column
Tract 941046031941000McIntosh (8%)1,6621,607±144$48,000$69,400$45041.4%
Tract 941146031941100McLaughlin (22%)2,2402,199±144$46,250$70,200$50046.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Corson County compare with South Dakota's other counties?

Corson County's rank among South Dakota's counties with a reliable estimate (1 = highest)
MeasureRank
Population42nd of 66
Growth 2020-202559th of 66
Residents per square mile57th of 66
Median household income63rd of 66
Median home value63rd of 66
Median gross rent64th of 65
Poverty rate3rd of 65
Bachelor's degree or higher56th of 66
Median age59th of 66

Every county in South Dakota

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Corson County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.