Williamstown is located in Pennsylvania. Williamstown, Pennsylvania has a population of 1,303. Williamstown is less family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 25%.
The median household income in Williamstown, Pennsylvania is $49,476. The median household income for the surrounding county is $62,688 compared to the national median of $66,222. The median age of people living in Williamstown is 41.9 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 19.1 degrees. The annual precipitation is 45.08.