
St. Clair
- County:
- Schuylkill County
- County Seat:
- No
- Area (mi²):
- 0.032
- State:
- Pennsylvania
St. Clair is a CDP located in Schuylkill County, Pennsylvania. St. Clair has a 2025 population of 66. St. Clair is currently growing at a rate of 6.45% annually but its population has decreased by -2.94% since the most recent census, which recorded a population of 68 in 2020.
The average household income in St. Clair is $61,825 with a poverty rate of 56.76%. The median age in St. Clair is 31.6 years: 26 years for males, and 31.6 years for females.