Marksboro, New Jersey

Marksboro, New Jersey
Marksboro Grist Mill on Spring Valley Road
Marksboro
Location in Warren County
Marksboro
Location in New Jersey
Marksboro
Location in the United States
Coordinates: 40°59′11″N 74°54′16″W / 40.986418°N 74.904367°W / 40.986418; -74.904367
Country United States
State New Jersey
CountyWarren
TownshipFrelinghuysen
Named afterMark Thompson
Area
 • Total
2.17 sq mi (5.63 km2)
 • Land2.15 sq mi (5.57 km2)
 • Water0.023 sq mi (0.06 km2)  1.08%
Elevation
515 ft (157 m)
Population
 (2020)
 • Total
186
 • Density86.4/sq mi (33.37/km2)
Time zoneUTC−05:00 (Eastern (EST))
 • Summer (DST)UTC−04:00 (EDT)
Area code908
FIPS code34-43980
GNIS feature ID02584009

Marksboro is an unincorporated community and census-designated place (CDP) located within Frelinghuysen Township in Warren County, in the U.S. state of New Jersey, that was created as part of the 2010 United States census, though settlement and naming of the community date back to before 1760. As of the 2020 census, Marksboro had a population of 186.