Roslyn Flag

Roslyn

County:
Day County
County Seat:
No
Area (mi²):
0.218
State:
South Dakota

Roslyn is a town located in Day County, South Dakota. Roslyn has a 2026 population of 180. Roslyn is currently declining at a rate of -2.17% annually and its population has decreased by -1.64% since the most recent census, which recorded a population of 183 in 2020.

180
Total Population
825
Density (mi²)
-4 -2.17%
Growth