In 2021, Williamstown, NJ had a population of 14.9k people with a median age of 40.8 and a median household income of $85,302. Between 2020 and 2021 the population of Williamstown, NJ grew from 14,161 to 14,947, a 5.55% increase and its median household income grew from $83,945 to $85,302, a 1.62% increase.
The 5 largest ethnic groups in Williamstown, NJ are White (Non-Hispanic) (78.5%), Black or African American (Non-Hispanic) (9.44%), Two+ (Non-Hispanic) (4.67%), White (Hispanic) (4.2%), and Asian (Non-Hispanic) (1.39%).
None of the households in Williamstown, NJ reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.2% of the residents in Williamstown, NJ are U.S. citizens.
In 2021, the median property value in Williamstown, NJ was $204,300, and the homeownership rate was 83.7%.
Most people in Williamstown, NJ drove alone to work, and the average commute time was 36 minutes. The average car ownership in Williamstown, NJ was 2 cars per household.