Northumberland is located in Pennsylvania. Northumberland, Pennsylvania 17857has a population of 3,774. Northumberland 17857 is more family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 23%.
The median household income in Northumberland, Pennsylvania 17857 is $60,879. The median household income for the surrounding county is $50,464 compared to the national median of $66,222. The median age of people living in Northumberland 17857 is 42.8 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 17.6 degrees. The annual precipitation is 42.09.