Plain Center township

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

Plain Center township is located in Charles Mix County, South Dakota. Plain Center township has a 2025 population of 121. Plain Center township 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 township is $107,365 with a poverty rate of 4.29%. The median age in Plain Center township is 31.6 years: 31.4 years for males, and 52.2 years for females.

Demographics

The racial composition of Plain Center township includes 88.57% White, 7.14% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	124	88.57%
Native American	10	7.14%
Two or more races	6	4.29%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Plain Center township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plain Center township'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