Plain Center Flag

Plain Center

County Seat:
No
Area (mi²):
35.196
State:
South Dakota

Plain Center is located in Charles Mix County, South Dakota. Plain Center has a 2025 population of 121. Plain Center is currently growing at a rate of 0.83% annually and its population has increased by 1.68% since the most recent census, which recorded a population of 119 in 2020.

The average household income in Plain Center is $107,365 with a poverty rate of 4.29%.The median age in Plain Center is 31.6 years: 31.4 years for males, and 52.2 years for females.

121
Total Population
3
Density (mi²)
1 0.83%
Growth

Plain Center Population

Plain Center Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Plain Center includes 88.57% White, 7.14% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (88.6%)

Native American (7.1%)

Two or more races (4.3%)

Race
Population
Percentage (of total)
White12488.57%
Native American107.14%
Two or more races64.29%

Plain Center Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plain Center's average per capita income is $56,172. Household income levels show a median of $0. The poverty rate stands at 4.29%.

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
Families$146,667$122,323
Married Families$146,667-
Non Families$70,833$62,490
Households-$107,365

$56,172

Average Income

$0

Median Household Income

4.29%

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)