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 and multiracial populations.

Population by Race

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%

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