About Williamstown, NJ
Williamstown is located in New Jersey. Williamstown, New Jersey has a population of 41,367. Williamstown is less family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 30%.
The median household income in Williamstown, New Jersey is $80,673. The median household income for the surrounding county is $83,970 compared to the national median of $61,963. The median age of people living in Williamstown is 41.2 years.
The average high temperature in July is 85.7 degrees, with an average low temperature in January of 23.7 degrees. The annual precipitation is 45.54.
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