St Clair Real EstateSt Clair is located in Pennsylvania. St Clair, Pennsylvania has a population of 1,377. St Clair is less family-centric than the surrounding county with 22.41% of the households containing married families with children. The county average for households married with children is 26.66%. The median household income in St Clair, Pennsylvania is $39,702. The median household income for the surrounding county is $56,702 compared to the national median of $57,652. The median age of people living in St Clair is 47.9 years. St Clair WeatherThe average high temperature in July is 83 degrees, with an average low temperature in January of 19.7 degrees. The average rainfall is approximately 42.7 inches per year, with 33.6 inches of snow per year. St Clair MapReal estate near St ClairNearby CitiesNearby Cities Homes for Sale |