Upper St Clair is located in Pennsylvania. Upper St Clair, Pennsylvania has a population of155,358.
The median household income in Upper St Clair, Pennsylvania is $52,306. The median household income for the surrounding county is $64,381 compared to the national median of $66,222. The median age of people living in Upper St Clair is 36.7 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 19.8 degrees. The annual precipitation is 38.22.