St. Clair township

County:: Butler County
County Seat:: No
Area (mi²):: 21.047
State:: Ohio

St. Clair township is located in Butler County, Ohio. St. Clair township has a 2025 population of 6,844. St. Clair township is currently growing at a rate of 0.59% annually and its population has increased by 2.23% since the most recent census, which recorded a population of 6,695 in 2020.

The average household income in St. Clair township is $81,917 with a poverty rate of 14.71%. The median age in St. Clair township is 38.8 years: 39.7 years for males, and 38.2 years for females.

Demographics

The racial composition of St. Clair township includes 93.3% White, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	6,264	93.3%
Two or more races	347	5.17%
Black or African American	98	1.46%
Asian	3	0.04%
Native American	2	0.03%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

St. Clair township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Clair township's average per capita income is $43,648. Household income levels show a median of $67,365. The poverty rate stands at 14.71%.

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	$75,192	-
Families	$67,807	$83,555
Households	$67,365	$81,917
Non Families	$41,111	$63,140

$43,648

Average Income

$67,365

Median Household Income

14.71%

Poverty Rate