Plain township

County:: Kosciusko County
County Seat:: No
Area (mi²):: 33.93
State:: Indiana

Plain township is located in Kosciusko County, Indiana. Plain township has a 2025 population of 8,854. Plain township is currently declining at a rate of -0.18% annually but its population has increased by 0.1% since the most recent census, which recorded a population of 8,845 in 2020.

The average household income in Plain township is $96,520 with a poverty rate of 11.98%. The median age in Plain township is 35.1 years: 35.9 years for males, and 34.2 years for females.

Demographics

The racial composition of Plain township includes 83.02% White, 3.89% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	7,356	83.02%
Two or more races	885	9.99%
Asian	345	3.89%
Other race	238	2.69%
Black or African American	37	0.42%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Plain township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plain township's average per capita income is $48,699. Household income levels show a median of $74,926. The poverty rate stands at 11.98%.

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	$103,846	-
Families	$84,521	$112,392
Households	$74,926	$96,520
Non Families	$41,758	$55,905

$48,699

Average Income

$74,926

Median Household Income

11.98%

Poverty Rate