
Astoria
- County:
- Deuel County
- County Seat:
- No
- Area (mi²):
- 0.157
- State:
- South Dakota
Astoria is a town located in Deuel County, South Dakota. Astoria has a 2025 population of 130. Astoria is currently declining at a rate of -0.76% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 134 in 2020.
The average household income in Astoria is $58,071 with a poverty rate of 16.25%. The median age in Astoria is 38.8 years: 41.3 years for males, and 38.4 years for females.