Oacoma Flag

Oacoma

County:
Lyman County
County Seat:
No
Area (mi²):
59.857
State:
South Dakota

Oacoma is located in Lyman County, South Dakota. Oacoma has a 2025 population of 80. Oacoma is currently declining at a rate of 0% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 81 in 2020.

The average household income in Oacoma is $146,218 with a poverty rate of 12.28%.The median age in Oacoma is 74.2 years: 77.8 years for males, and 68 years for females.

80
Total Population
1
Density (mi²)
0 0%
Growth

Oacoma Population

Oacoma Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oacoma includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White114100%

Oacoma Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oacoma's average per capita income is $43,472. Household income levels show a median of $53,807. The poverty rate stands at 12.28%.

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$53,807$146,218
Families$53,807$146,218
Married Families$53,807-
Non Families--

$43,472

Average Income

$53,807

Median Household Income

12.28%

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)