St. Clair township Flag

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 2026 population of 7,038. St. Clair township is currently growing at a rate of 1.09% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 6,694 in 2020.

The median household income in St. Clair township is $62,378 with a poverty rate of 16.75%. The median age in St. Clair township is 39.8 years: 42.1 years for males, and 38.3 years for females. For every 100 females there are 97.0 males.

7K
Total Population
334
Density (mi²)
76 1.09%
Growth

St. Clair township Population

St. Clair township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,038761.09%
20256,962761.1%
20246,886761.12%
20236,810681.01%
20226,742380.57%
20216,704100.15%
20206,694120.18%
20197,312360.49%
20187,276430.59%
20177,233700.98%
20167,163721.02%
20157,091660.94%
20147,025580.83%
20136,967200.29%
20126,947100.14%
20116,937290.42%
20106,914170.25%

Median Age

Overall: 39.8 years
Female: 38.3 years
Male: 42.1 years

St. Clair township Adults

There are 5,217 adults, (1,095 of whom are seniors) in St. Clair township.

Sex Ratio

Female: 3,435 (50.8%)
Male: 3,333 (49.2%)

Demographics

The racial composition of St. Clair township includes 91.76% White, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,21091.76%
Two or more races4436.55%
Black or African American1121.65%
Asian20.03%
Native American10.01%
Race
Population ↓
Percentage (of total)
White921.36%
Two or more races480.71%
Race
Population ↓
Percentage (of total)
White6,11890.4%
Two or more races3955.84%
Black or African American1121.65%
Asian20.03%
Native American10.01%

St. Clair township Marital Status

Economics and Income Statistics

St. Clair township 's average per capita income is $46,500. Household income levels show a median of $62,378. The poverty rate stands at 16.75%.

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$86,354-
Families$71,354$90,945
Households$62,378$84,971
Non Families$33,094$57,418

$46,500

Average Income

$62,378

Median Household Income

16.75%

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)