Williamstown, New Jersey
Williamstown, New Jersey  | |
|---|---|
Ireland Hofer House in Williamstown, New Jersey  | |
Map of Williamstown highlighted within Gloucester County. Right: Location of Gloucester County in New Jersey.  | |
Location in Gloucester County Location in New Jersey  | |
| Coordinates: 39°41′03″N 74°58′08″W / 39.684113°N 74.968819°W | |
| Country | United States | 
| State | New Jersey | 
| County | Gloucester | 
| Township | Monroe | 
| Established | 1737 as Squankum 1842 as Williamstown  | 
| Area | |
 • Total  | 7.42 sq mi (19.23 km2) | 
| • Land | 7.42 sq mi (19.22 km2) | 
| • Water | 0.00 sq mi (0.01 km2) 0.05% | 
| Elevation | 141 ft (43 m) | 
| Population  (2020)  | |
 • Total  | 15,082 | 
| • Density | 2,032.34/sq mi (784.67/km2) | 
| Time zone | UTC−05:00 (Eastern (EST)) | 
| • Summer (DST) | UTC−04:00 (Eastern (EDT)) | 
| ZIP Code | 08094  | 
| Area code | 856 | 
| FIPS code | 34-81380 | 
| GNIS feature ID | 02390518 | 
Williamstown is an unincorporated community and census-designated place (CDP) located in Monroe Township in Gloucester County, in the U.S. state of New Jersey. As of the 2010 U.S. census, Williamstown's population was 15,567.