
Ethan
- County:
- Davison County
- County Seat:
- No
- Area (mi²):
- 0.255
- State:
- South Dakota
Ethan is a town located in Davison County, South Dakota. Ethan has a 2025 population of 361. Ethan is currently declining at a rate of 0% annually and its population has increased by 0.28% since the most recent census, which recorded a population of 360 in 2020.
The average household income in Ethan is $66,279 with a poverty rate of 14.45%. The median age in Ethan is 28.1 years: 31.9 years for males, and 25.7 years for females.