Erwin Flag

Erwin

County Seat:
No
Area (mi²):
0.476
State:
South Dakota

Erwin is a town located in Kingsbury County, South Dakota. Erwin has a 2026 population of 39. Erwin is currently declining at a rate of 0% annually and its population has increased by 2.63% since the most recent census, which recorded a population of 38 in 2020.

39
Total Population
82
Density (mi²)