Ziebach County, South Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 53rd-largest in South Dakota
The population of Ziebach County, South Dakota is 2,410 as of the 2023 American Community Survey, making it the 53rd-largest county in South Dakota. The median household income is $47,333, the median home value is $101,700, and the median age is 36.6.
The population of Ziebach County has declined 14.4% since 2010 (2,826 → 2,418), a -1.11% annualized rate.
2,410
Population
-1.11%
Annual growth
1
People / sq mi
$47,333
Median Income
$101,700
Median Home Value
Ziebach County covers 1,961 sq mi of land at 1.2 people per square mile.
About Ziebach County, SD
Ziebach County is a county in South Dakota with a population of 2,410. It ranks #53 among counties in South Dakota by population. The median age is 36.6, younger than the national median. The population is 49.5% male and 50.5% female.
The median household income in Ziebach County is $47,333, below the US median of $74,580. 34.0% of residents live below the federal poverty level. Home values sit at a median of $101,700, with monthly rent averaging $715. The homeownership rate of 53.9% is lower than the national rate of 64.8%.
Educational attainment in Ziebach County reflects 14.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 29.0% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 22.4 minutes each way.
Ziebach County Population History (2010-2024)
The county of Ziebach County had a population of 2,826 in 2010 and 2,418 in 2024, a -14.4% growth over 14 years. The peak was 2,879 in 2012. Average annual growth rate: -1.01%.
2,418
Population (2024)
2,826
Population (2010)
2,879
Peak (2012)
-1.01%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 2,826 |
| 2011 | 2,840 |
| 2012 | 2,879 |
| 2013 | 2,855 |
| 2014 | 2,859 |
| 2015 | 2,838 |
| 2016 | 2,870 |
| 2017 | 2,747 |
| 2018 | 2,759 |
| 2019 | 2,801 |
| 2020 | 2,393 |
| 2021 | 2,383 |
| 2022 | 2,369 |
| 2023 | 2,322 |
| 2024 | 2,418 |
Race & Ethnicity
| White | 27.3% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 72.0% |
| Two or More Races | 0.0% |
Age & Sex
36.6
Median Age
50.5%
Female
49.5%
Male
11.0%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 11.0%
Income & Poverty
| Median household income | $47,333$-25,088 vs state |
| Mean household income | $76,468 |
| Per-capita income | $26,500 |
| Poverty rate | 34.0%+26.6% vs state |
| Unemployment rate | 14.8% |
| Employment-to-population | 46.2% |
Top Industries by Employment
The largest employment sector in Ziebach County is agriculture, accounting for 29.7% of workers.
How residents commute
0.0%
Drive alone
2.7%
Carpool
49.2%
Public transit
29.0%
Work from home
22.4 min
Avg commute
Housing
$101,700$-135,100 vs state
Median home value
$715
Median rent
53.9%
Homeownership rate
895
Total housing units
80.9%
Occupied
19.1%
Vacant
46.1%
Renter-occupied
Social & access
74.1%
With health insurance
83.3%
With broadband internet
10.2%
Foreign-born
6.7%
Veterans (18+)
9.8%
With a disability
84.3%
Speak language other than English at home
Education
88.8%
High School+
14.1%
Bachelor's+
Largest cities in South Dakota
Other counties in South Dakota
Part of South Dakota
Metro areas in South Dakota
County rankings
Frequently Asked Questions
Ziebach County, South Dakota has a population of 2,410 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 53rd-largest county in South Dakota. Population density is 1 people per square mile.
The population of Ziebach County has declined 14.4% since 2010 (2,826 → 2,418), a -1.11% annualized rate.
The median household income in Ziebach County, South Dakota is $47,333, with mean (average) household income of $76,468 and per-capita income of $26,500. 34.0% of residents live below the federal poverty level.
In Ziebach County, the largest racial and ethnic groups are Hispanic or Latino (72.0%), White (27.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Ziebach County, South Dakota is 36.6 years. Residents are 50.5% female and 49.5% male.
The median home value in Ziebach County is $101,700 and median monthly rent is $715. 53.9% of occupied housing units are owner-occupied. The county has 895 total housing units, 19.1% of which are vacant.
The largest employment sector in Ziebach County, South Dakota is agriculture, forestry, fishing, and mining, employing 29.7% of workers. The unemployment rate is 14.8%.
Sioux Falls is among the largest cities associated with Ziebach County, South Dakota, with a population of 197,642.
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Statewide data for South Dakota
Population, race, income, age, and trends across South Dakota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.