Williamstown is an unincorporated community and census-designated place [9] (CDP) located in Monroe Township in Gloucester County, in the U.S. state of New Jersey. [10][11][12][13] As of …

On November 24, 2025, Monroe Township partnered with Horizon Blue Cross Blue Shield and the National Fitness Campaign to present the new Fitness Court at Owens Memorial Park in …

Book these experiences to see what the area has to offer. These rankings are informed by Tripadvisor data—we consider traveler reviews, ratings, number of page views, and user …

Williamstown, NJ, and its surrounding areas offer a rich variety of activities and experiences. From relaxing at beautiful parks to enjoying local wines, there’s something for everyone.

Get directions, maps, and traffic for Williamstown, NJ. Check flight prices and hotel availability for your visit.

Why do people choose to live in Williamstown, New Jersey? Discover the best neighborhoods, attactions, schools, get crime data, and find homes for sale or rent in Williamstown, NJ.

According to our research of New Jersey and other state lists, there were 15 registered sex offenders living in Williamstown, New Jersey as of September 30, 2025.

Shoreline, arts & culture, and moderate winters make Williamstown a great place to live.

Census data for Williamstown, NJ (pop. 14,855), including age, race, sex, income, poverty, marital status, education and more.

Mar 12, 2025 · Williamstown is in Gloucester County. Living in Williamstown offers residents a sparse suburban feel and most residents own their homes. Many families and young …