
Whitehorse
- County:
- Dewey County
- County Seat:
- No
- Area (mi²):
- 2.737
- State:
- South Dakota
Whitehorse is a CDP located in Dewey County, South Dakota. Whitehorse has a 2025 population of 148. Whitehorse is currently declining at a rate of 0% annually and its population has decreased by -39.59% since the most recent census, which recorded a population of 245 in 2020.
The average household income in Whitehorse is $49,576 with a poverty rate of 34.65%. The median age in Whitehorse is 29.1 years: 23.9 years for males, and 29.3 years for females.