Alcester Flag

Alcester

County:
Union County
County Seat:
No
Area (mi²):
1.029
State:
South Dakota

Alcester is a city located in Union County, South Dakota. Alcester has a 2026 population of 772. Alcester is currently declining at a rate of -0.9% annually and its population has decreased by -5.85% since the most recent census, which recorded a population of 820 in 2020.

772
Total Population
750
Density (mi²)
-7 -0.9%
Growth