
Ziebach County
- State:
- South Dakota
Ziebach County's estimated 2025 population is 2,178 with a growth rate of -3.2% in the past year according to the most recent United States census data. Ziebach County is the 57th largest county in South Dakota. The 2010 population was 2,826 and has seen a growth of -22.93% since that time.