City Detials

About the town

Clark is a township in southern Union County, New Jersey, United States. As of the 2020 United States Census, the township’s population was 15,544 reflecting an increase of 788 from the 14,756 counted in the 2010 United States Census, which had in turn increased by 159 from the 14,597 counted in the 2000 Census.

Official website


Things to do in town

Resident forum

Important Phone numbers

Clark Twp Municipal Building
Address: 430 Westfield Ave, Clark, NJ 07066
Thursday 8:30 AM–4 PM
Friday 8:30 AM–4 PM
Saturday Closed
Sunday Closed
Monday 8:30 AM–4PM
Tuesday 8:30 AM–4PM
Wednesday 8:30 AM–4PM
Suggest new hours phone: (732) 388-3600