Derry is located in Pennsylvania. Derry, Pennsylvania has a population of 2,627. Derry is more family-centric than the surrounding county with 36.72% of the households containing married families with children. The county average for households married with children is 27.07%.
The median household income in Derry, Pennsylvania is $54,412. The median household income for the surrounding county is $64,708 compared to the national median of $69,021. The median age of people living in Derry is 45.4 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 18.8 degrees. The average rainfall is approximately 45.8 inches per year, with 35.5 inches of snow per year.