Mercersburg is located in Pennsylvania. Mercersburg, Pennsylvania has a population of 1,603. Mercersburg is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 28%.
The median household income in Mercersburg, Pennsylvania is $48,488. The median household income for the surrounding county is $60,015 compared to the national median of $61,963. The median age of people living in Mercersburg is 39.1 years.
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 21.4 degrees. The annual precipitation is 42.55.