Oneota township Flag

Oneota township

County:
Brown County
County Seat:
No
Area (mi²):
35.952
State:
South Dakota

Oneota township is located in Brown County, South Dakota. Oneota township has a 2025 population of 99. Oneota township is currently declining at a rate of -1.98% annually and its population has decreased by -5.71% since the most recent census, which recorded a population of 105 in 2020.

The average household income in Oneota township is $131,995 with a poverty rate of 1.56%.The median age in Oneota township is 37.9 years: 38.1 years for males, and 37.8 years for females.

99
Total Population
3
Density (mi²)
-2 -1.98%
Growth

Oneota township 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)