East Millstone, New Jersey

East Millstone, New Jersey
East Millstone along Amwell Road (CR 514)
East Millstone
Location in Somerset County
East Millstone
Location in New Jersey
East Millstone
Location in the United States
Coordinates: 40°29′47″N 74°33′58″W / 40.496445°N 74.565986°W / 40.496445; -74.565986
Country United States
State New Jersey
CountySomerset
TownshipFranklin
IncorporatedFebruary 18, 1873
DissolvedDecember 31, 1949
Area
 • Total
2.30 sq mi (5.95 km2)
 • Land2.23 sq mi (5.78 km2)
 • Water0.062 sq mi (0.16 km2)  2.70%
Elevation
85 ft (26 m)
Population
 (2020)
 • Total
588
 • Density263.3/sq mi (101.65/km2)
Time zoneUTC−05:00 (Eastern (EST))
 • Summer (DST)UTC−04:00 (Eastern (EDT))
Area codes609/640 and 732/848
FIPS code34-19330
GNIS feature ID02583985

East Millstone is an unincorporated community and census-designated place (CDP) located in Franklin Township in Somerset County, in the U.S. state of New Jersey.

As of the 2020 census, East Millstone had a population of 588. It is a small rural community that grew and prospered with a small industrial base in the 19th century, centered on the Delaware and Raritan Canal at Amwell Road and the long-abandoned Millstone and New Brunswick Railroad that terminated in East Millstone. East Millstone was an independent municipality from 1873 to 1949. The East Millstone Historic District was listed on the National Register of Historic Places in 1983.