St. Clair township is located in Columbiana County, Ohio. St. Clair township has a 2026 population of 7,527. St. Clair township is currently declining at a rate of -0.42% annually and its population has decreased by -3.16% since the most recent census, which recorded a population of 7,773 in 2020.
The median household income in St. Clair township is $57,672 with a poverty rate of 11.45%. The median age in St. Clair township is 51.3 years: 44.2 years for males, and 57.2 years for females. For every 100 females there are 101.8 males.
Data after 2023 is projected based on recent change
Overall: 51.3 years
Female: 57.2 years
Male: 44.2 years
There are 6,422 adults, (2,160 of whom are seniors) in St. Clair township.
Female: 3,805 (49.6%)
Male: 3,872 (50.4%)
The racial composition of St. Clair township includes 94.2% White, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,232 | 94.2% |
| Two or more races | 310 | 4.04% |
| Black or African American | 135 | 1.76% |
St. Clair township 's average per capita income is $40,250. Household income levels show a median of $57,672. The poverty rate stands at 11.45%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,077 | - |
| Families | $81,413 | $106,625 |
| Households | $57,672 | $85,099 |
| Non Families | $25,915 | $47,115 |
Average Income
Median Household Income
Poverty Rate