St. Clair is located in Schuylkill County, Pennsylvania. St. Clair has a 2025 population of 1,305. St. Clair is currently declining at a rate of -0.31% annually and its population has decreased by -2.54% since the most recent census, which recorded a population of 1,339 in 2020.
The average household income in St. Clair is $70,882 with a poverty rate of 15.72%. The median age in St. Clair is 49.8 years: 44.6 years for males, and 53.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of St. Clair includes 96.88% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.
White (96.9%)
Two or more races (2.3%)
Black or African American (0.5%)
Other race (0.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,244 | 96.88% |
| Two or more races | 29 | 2.26% |
| Black or African American | 7 | 0.55% |
| Other race | 4 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
St. Clair's average per capita income is $38,698. Household income levels show a median of $49,900. The poverty rate stands at 15.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,417 | - |
| Families | $67,750 | $85,431 |
| Households | $49,900 | $70,882 |
| Non Families | $26,528 | $33,809 |
Average Income
Median Household Income
Poverty Rate