Oneota Flag

Oneota

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

Oneota is located in Brown County, South Dakota. Oneota has a 2025 population of 103 . Oneota is currently declining at a rate of -0.96% annually and its population has decreased by -3.74% since the most recent census, which recorded a population of 107 in 2020.

The average household income in Oneota is $131,995 with a poverty rate of 1.56%. The median age in Oneota is 37.9 years: 38.1 years for males, and 37.8 years for females. For every 100 females there are 120.7 males.

103
Total Population
3
Density (mi²)
-1 -0.96%
Growth

Oneota Population

Oneota Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oneota includes 97.66% White, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

White (97.66%)

Asian (1.56%)

Two or more races (0.78%)

Race
Population
Percentage (of total)
White12597.66%
Asian21.56%
Two or more races10.78%

Oneota Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oneota'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

Nearby Cities

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)