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

Oneota township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oneota township includes 97.66% White, and smaller percentages for Asian, Two or more races, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White12597.66%
Asian21.56%
Two or more races10.78%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

Oneota township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oneota township's average per capita income is $82,750. Household income levels show a median of $96,250. The poverty rate stands at 1.56%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Households$96,250$131,995
Families-$140,962
Married Families--
Non Families--

$82,750

Average Income

$96,250

Median Household Income

1.56%

Poverty Rate

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)