Clarksville Real EstateClarksville is located in Pennsylvania. Clarksville, Pennsylvania has a population of 186. Clarksville is less family-centric than the surrounding county with 21.57% of the households containing married families with children. The county average for households married with children is 25.5%. The median household income for the surrounding county is $50,972 compared to the national median of $57,652. The median age of people living in Clarksville is 54.5 years. Clarksville WeatherThe average high temperature in July is 83.9 degrees, with an average low temperature in January of 19 degrees. The average rainfall is approximately 42.3 inches per year, with 27.6 inches of snow per year. Clarksville MapReal estate near ClarksvilleNearby CitiesNearby Cities Homes for Sale |