
Egan
- County:
- Moody County
- County Seat:
- No
- Area (mi²):
- 1.067
- State:
- South Dakota
Egan is a city located in Moody County, South Dakota. Egan has a 2025 population of 249. Egan is currently growing at a rate of 0.81% annually and its population has increased by 3.32% since the most recent census, which recorded a population of 241 in 2020.
The average household income in Egan is $68,072 with a poverty rate of 7.66%. The median age in Egan is 53.1 years: 56 years for males, and 49.3 years for females.