Plymouth Real EstatePlymouth is located in Pennsylvania. Plymouth, Pennsylvania has a population of 8,556. Plymouth is less family-centric than the surrounding county with 19.51% of the households containing married families with children. The county average for households married with children is 24.97%. The median household income in Plymouth, Pennsylvania is $39,447. The median household income for the surrounding county is $49,290 compared to the national median of $57,652. The median age of people living in Plymouth is 42.9 years. Plymouth WeatherThe average high temperature in July is 81.9 degrees, with an average low temperature in January of 18.5 degrees. The average rainfall is approximately 46.2 inches per year, with 31.3 inches of snow per year. Plymouth MapReal estate near PlymouthNearby CitiesNearby Cities Homes for Sale |