Mercersburg 17236 Real EstateMercersburg is located in Pennsylvania. Mercersburg, Pennsylvania 17236has a population of 1,724. Mercersburg 17236 is less family-centric than the surrounding county with 22.63% of the households containing married families with children. The county average for households married with children is 29.12%. The median household income in Mercersburg, Pennsylvania 17236 is $55,577. The median household income for the surrounding county is $66,329 compared to the national median of $69,021. The median age of people living in Mercersburg 17236 is 46.3 years. Mercersburg WeatherThe average high temperature in July is 85.4 degrees, with an average low temperature in January of 22.4 degrees. The average rainfall is approximately 41.1 inches per year, with 28.5 inches of snow per year. Mercersburg MapReal estate near MercersburgNearby CitiesNearby Cities Homes for Sale |