Oacoma township Flag

Oacoma township

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

Oacoma township is located in Lyman County, South Dakota. Oacoma township has a 2026 population of 81. Oacoma township is currently declining at a rate of 0% annually and its population has decreased by -1.22% since the most recent census, which recorded a population of 82 in 2020.

The median household income in Oacoma township is $163,929 with a poverty rate of 23.53%. The median age in Oacoma township is 62.5 years: 64.1 years for males, and 62.4 years for females. For every 100 females there are 121.7 males.

81
Total Population
1.4
Density (mi²)

Oacoma township Population

Oacoma township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20268100%
20258100%
20248100%
202381-1-1.22%
202282-1-1.2%
20218311.22%
20208200%
20197000%
201870-2-2.78%
20177200%
20167200%
20157200%
20147222.86%
20137011.45%
201269-1-1.43%
201170-1-1.41%
20106900%

Median Age

Overall: 62.5 years
Female: 62.4 years
Male: 64.1 years

Oacoma township Adults

There are 51 adults, (12 of whom are seniors) in Oacoma township.

Sex Ratio

Female: 23 (45.1%)
Male: 28 (54.9%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White51100%
Race
Population ↓
Percentage (of total)
White51100%

Oacoma township Marital Status

Economics and Income Statistics

Oacoma township 's average per capita income is $79,135. Household income levels show a median of $163,929. The poverty rate stands at 23.53%.

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$163,929$384,264
Families$163,929$384,264
Married Families$163,929-
Non Families--

$79,135

Average Income

$163,929

Median Household Income

23.53%

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)