In 2023, Ziebach County, SD had a population of 2.41k people with a median age of 36.6 and a median household income of $47,333. Between 2022 and 2023 the population of Ziebach County, SD declined from 2,455 to 2,410, a −1.83% decrease and its median household income grew from $46,023 to $47,333, a 2.85% increase.
The 5 largest ethnic groups in Ziebach County, SD are American Indian & Alaska Native (Non-Hispanic) (70.2%), White (Non-Hispanic) (27.1%), Two+ (Non-Hispanic) (1.16%), Two+ (Hispanic) (0.539%), and American Indian & Alaska Native (Hispanic) (0.415%).
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.
99.6% of the residents in Ziebach County, SD are U.S. citizens.
In 2023, the median property value in Ziebach County, SD was $101,700, and the homeownership rate was 53.9%.
Most people in Ziebach County, SD drove alone to work, and the average commute time was 22.4 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.