County · South Dakota

Ziebach County, South Dakota

Ziebach County, South Dakota. Ziebach County had 2,389 residents in 2025 by the Census Bureau's estimate, down 1.0% since 2020, while South Dakota grew 5.5%. It holds 4 places (2 cities, villages and boroughs and 2 census-designated) and 1 census tract. GEOID 46137.

Residents, July 2025 estimate

2,389

Census Bureau estimate (no margin published)
2020 Census count: 2,413 · ACS 2020-2024: 2,377

Median household income

$53,958

±$11,479 (90% margin)
South Dakota: $75,081

Median home value

$99,600

±$14,674 (90% margin)
South Dakota: $257,400

Median gross rent

$734

±$76 (90% margin)
South Dakota: $946

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

The 2020 Census counted 2,413 residents in Ziebach County. The Census Bureau estimates 2,389 for July 1, 2025, down 1.0% since 2020, while South Dakota grew 5.5%. The 2020-2024 American Community Survey puts the population at 2,377 over 1,961 square miles of land.

  • July 2020→2021 −11 (2,380)
  • 2021→2022 −1 (2,379)
  • 2022→2023 −24 (2,355)
  • 2023→2024 +26 (2,381)
  • 2024→2025 +8 (2,389)
Ziebach County in South Dakota. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureZiebach CountySouth DakotaChange since 2015-2019
Total population2,377907,428−414
Households735±26365,544no clear change
Average household size3.23±0.112.39−0.47
Housing units885±11408,584−124

Ziebach County's population since 2000

From 2,519 in 2000 to 2,389 in 2025: down 5.2%. 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 2,519
  • 2005 (estimate) 2,663
  • 2010 Census 2,801
  • 2015 (estimate) 2,838
  • 2020 Census 2,413
  • 2025 (estimate) 2,389

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 Ziebach County?

Ziebach County holds 4 places: 2 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Eagle Butte with 1,269 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 Ziebach County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Eagle Buttecity1,2581,458±214$45,741$65,90031.8%49%
Dupreecity494557±111$53,958$66,20027.5%100%
Cherry CreekGEOID 4611540CDP282224±103not publishednot published21.9%100%
BridgerGEOID 4607140CDP4866±41$20,694not published78.8%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 Ziebach County?

The median resident of Ziebach County is 36.7 years old; 25.2% are under 18 and 11.7% are 65 or older. The largest group is non-Hispanic American Indian and Alaska Native residents at 69.2%, then non-Hispanic white residents at 27.1%.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureZiebach CountySouth DakotaChange since 2015-2019
Median age36.7±1.238.0+3.6
Under 18 years25.2%±0.5 pts24.2%–
65 years and over11.7%±1.0 pts18.0%–
Hispanic or Latino (any race)1.5%4.8%–
White alone, not Hispanic27.1%±0.1 pts79.8%+3.6 pts
Black or African American alone, not Hispanic0.0%±1.0 pts2.1%–
Asian alone, not Hispanic0.0%±1.0 pts1.4%–
American Indian and Alaska Native alone, not Hispanic69.2%±1.5 pts7.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.3%±0.5 pts0.0%–
Two or more races, not Hispanic1.9%±1.4 pts4.4%–
Some other race alone, not Hispanic0.0%±1.0 pts0.3%–
Born outside the United States0.4%±0.4 pts4.0%–
Speak a language other than English at home (age 5+)17.2%±3.7 pts7.1%–
Civilian veterans (age 18+)6.6%±2.0 pts7.9%–
With a disability10.0%±2.3 pts12.5%–
No health insurance coverage26.0%±3.6 pts9.0%no clear change
High school graduate or higher (age 25+)89.9%±3.5 pts93.2%–
Bachelor's degree or higher (age 25+)15.2%±3.5 pts31.9%no clear change
Graduate or professional degree (age 25+)2.4%±1.4 pts10.0%–
Moved from another state in the past year0.0%±1.1 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 Ziebach County earn?

Half of Ziebach County's 735 households earn less than $53,958 a year (±$11,479), against $75,081 in South Dakota. In 2015-2019 it was $46,028 in 2024 dollars; the margins of error cannot tell the two periods apart. 33.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureZiebach CountySouth DakotaChange since 2015-2019
Median household income$53,958±$11,479$75,081no clear change
Mean household income$81,078±$10,372$98,527–
Per capita income$26,885±$3,348$40,550+$6,511
People below the poverty line33.5%±5.9 pts11.9%−9.0 pts
Children under 18 below the poverty line49.0%±9.1 pts14.3%no clear change
Households receiving SNAP25.3%±4.8 pts7.9%–
Households with a broadband subscription83.0%±4.2 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 Ziebach County?

Owners occupy 57.1% of Ziebach County's occupied homes and renters 42.9%. The median owner-occupied home is valued at $99,600 by its owner (±$14,674). The median renter pays $734 a month including utilities, and 40.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureZiebach CountySouth DakotaChange since 2015-2019
Median home value (owner-occupied)$99,600±$14,674$257,400+$28,589
Median gross rent$734±$76$946no clear change
Renters paying 35% or more of income on rent40.2%±11.9 pts30.4%no clear change
Median monthly owner costs, with a mortgage$1,347±$300$1,680–
Owner-occupied homes57.1%±5.1 pts68.6%no clear change
Housing units885±11408,584−124
Homeowner vacancy rate0.0%±5.8 pts0.8%–
Rental vacancy rate7.5%±4.2 pts6.0%–
Single-family detached homes65.8%±5.5 pts66.9%–
Mobile homes17.9%±4.5 pts7.2%–
Built 2020 or later0.0%±2.8 pts2.3%–
Built 1939 or earlier8.5%±3.3 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 do people in Ziebach County get to work?

51.6% of Ziebach County's workers drive alone and 24.4% work from home. The average trip to work takes 21.7 minutes. The unemployment rate in 2020-2024 averaged 23.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureZiebach CountySouth DakotaChange since 2015-2019
In the labor force (age 16+)63.2%±5.0 pts67.2%–
Unemployment rate23.5%±4.6 pts2.9%no clear change
Drove alone to work51.6%±6.8 pts77.0%–
Carpooled18.7%±6.4 pts8.3%–
Public transportation0.0%±2.8 pts0.5%–
Walked3.7%±2.4 pts3.1%–
Worked from home24.4%±6.3 pts9.7%no clear change
Mean travel time to work21.7 min±3.117.8 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 Ziebach County's census tracts?

Ziebach County is a single census tract.

Census tracts of Ziebach County, ACS 2020-2024 5-year estimates; sort by any column
Tract 941646137941600Dupree (13%)2,4132,377$53,958$99,600$73433.5%

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

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

Ziebach County's rank among South Dakota's counties with a reliable estimate (1 = highest)
MeasureRank
Population54th of 66
Growth 2020-202552nd of 66
Residents per square mile62nd of 66
Median household income60th of 66
Median home value60th of 66
Median gross rent40th of 65
Poverty rate7th of 65
Bachelor's degree or higher63rd of 66
Median age51st 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 Ziebach 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.