Seneca Flag

Seneca

County:
Faulk County
County Seat:
No
Area (mi²):
0.419
State:
South Dakota

Seneca is a town located in Faulk County, South Dakota. Seneca has a 2026 population of 23. Seneca is currently declining at a rate of 0% annually and its population has increased by 4.55% since the most recent census, which recorded a population of 22 in 2020.

23
Total Population
55
Density (mi²)