Seneca is located in Pennsylvania. Seneca, Pennsylvania has a population of 1,220. Seneca is more family-centric than the surrounding county with 31.9% of the households containing married families with children. The county average for households married with children is 24.98%.
The median household income in Seneca, Pennsylvania is $55,170. The median household income for the surrounding county is $46,487 compared to the national median of $57,652. The median age of people living in Seneca is 54.4 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 17.4 degrees. The average rainfall is approximately 44.5 inches per year, with 54.6 inches of snow per year.