Plankinton township Flag

Plankinton township

County:
Aurora County
County Seat:
No
Area (mi²):
34.084
State:
South Dakota

Plankinton township is located in Aurora County, South Dakota. Plankinton township has a 2026 population of 209. Plankinton township is currently declining at a rate of -0.48% annually and its population has decreased by -0.48% since the most recent census, which recorded a population of 210 in 2020.

The median household income in Plankinton township is $71,563 with a poverty rate of 10.9%. The median age in Plankinton township is 21.8 years: 29.1 years for males, and 21.1 years for females. For every 100 females there are 147.9 males.

209
Total Population
6.1
Density (mi²)
-1 -0.48%
Growth

Plankinton township Population

Plankinton township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026209-1-0.48%
2025210-1-0.47%
2024211-1-0.47%
202321210.47%
202221110.48%
202121000%
202021010.48%
201921200%
201821200%
201721210.47%
201621100%
2015211-1-0.47%
201421241.92%
2013208-4-1.89%
201221252.42%
2011207-4-1.9%
2010207-1-0.48%

Median Age

Overall: 21.8 years
Female: 21.1 years
Male: 29.1 years

Plankinton township Adults

There are 163 adults, (7 of whom are seniors) in Plankinton township.

Sex Ratio

Female: 119 (40.3%)
Male: 176 (59.7%)

Demographics

The racial composition of Plankinton township includes 75.25% White, 3.73% Native American, 3.73% other race, 3.39% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White22275.25%
Two or more races4113.9%
Native American113.73%
Other race113.73%
Black or African American103.39%
Race
Population ↓
Percentage (of total)
Two or more races217.12%
Native American41.36%
Other race31.02%
Race
Population ↓
Percentage (of total)
White22275.25%
Two or more races206.78%
Black or African American103.39%
Other race82.71%
Native American72.37%

Plankinton township Marital Status

Economics and Income Statistics

Plankinton township 's average per capita income is $49,028. Household income levels show a median of $71,563. The poverty rate stands at 10.9%.

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
Married Families$79,643-
Families$77,857$93,488
Households$71,563$81,727
Non Families$51,696$60,339

$49,028

Average Income

$71,563

Median Household Income

10.9%

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)