Martinsville, New Jersey

Martinsville, New Jersey
Martinsville
Location in Somerset County
Martinsville
Location in New Jersey
Martinsville
Location in the United States
Coordinates: 40°36′11″N 74°34′33″W / 40.602946°N 74.575794°W / 40.602946; -74.575794
Country United States
State New Jersey
CountySomerset
TownshipBridgewater
Area
  Total
12.23 sq mi (31.67 km2)
  Land12.15 sq mi (31.47 km2)
  Water0.07 sq mi (0.19 km2)  0.62%
Elevation
259 ft (79 m)
Population
 (2020)
  Total
12,147
  Density999.6/sq mi (385.9/km2)
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Code
08836
Area code908
FIPS code34-44430
GNIS feature ID02584010

Martinsville is an unincorporated community and census-designated place (CDP) located within Bridgewater Township, in Somerset County, in the U.S. state of New Jersey. As of the 2010 United States Census, the CDP's population was 11,980.

Martinsville is located in northeastern Bridgewater near Warren Township; the 08836 ZIP Code also takes in the southern extension of Bernards Township. It is an affluent, predominantly residential area, though it does have its own commercial center along Washington Valley Road, and its own post office.