Potter County
- State:
- South Dakota
- County Seat:
- Gettysburg
Potter County's estimated 2026 population is 2,353 with a growth rate of -1.01% in the past year according to the most recent United States census data. Potter County is the 55th largest county in South Dakota. The 2010 population was 2,351 and has seen a growth of 0.09% since that time.