Northumberland is located in Pennsylvania. Northumberland, Pennsylvania has a population of 3,774. Northumberland is more family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 23%.
The median household income in Northumberland, Pennsylvania 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 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.