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 2025 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.

The average household income in Seneca is $34,753 with a poverty rate of 19.23%.The median age in Seneca is 62.8 years: 62.8 years for males, and 64.5 years for females.

23
Total Population
55
Density (mi²)
0 0%
Growth

Seneca Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)