In 2021, Ziebach County, SD had a population of 2.48k people with a median age of 34.5 and a median household income of $38,750. Between 2020 and 2021 the population of Ziebach County, SD declined from 2,767 to 2,479, a −10.4% decrease and its median household income grew from $36,615 to $38,750, a 5.83% increase.
The 5 largest ethnic groups in Ziebach County, SD are American Indian & Alaska Native (Non-Hispanic) (71.1%), White (Non-Hispanic) (22.9%), Two+ (Hispanic) (4.36%), American Indian & Alaska Native (Hispanic) (0.484%), and Other (Hispanic) (0.484%).
None of the households in Ziebach County, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.2% of the residents in Ziebach County, SD are U.S. citizens.
In 2021, the median property value in Ziebach County, SD was $78,000, and the homeownership rate was 55.7%.
Most people in Ziebach County, SD drove alone to work, and the average commute time was 23.1 minutes. The average car ownership in Ziebach County, SD was 2 cars per household.
Ziebach County, SD borders Corson County, SD, Dewey County, SD, Haakon County, SD, Meade County, SD, Perkins County, SD, and Stanley County, SD.