Marlboro, New York

Marlboro, New York
Shady Brook Farm, a historic home located in Marlboro
Location in Ulster County and the state of New York.
Coordinates: 41°36′17″N 73°58′29″W / 41.60472°N 73.97472°W / 41.60472; -73.97472
CountryUnited States
StateNew York
CountyUlster
Area
  Total
5.63 sq mi (14.57 km2)
  Land4.99 sq mi (12.91 km2)
  Water0.64 sq mi (1.66 km2)
Elevation
180 ft (55 m)
Population
 (2020)
  Total
3,699
  Density742.03/sq mi (286.52/km2)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
ZIP code
12542
Area code845
FIPS code36-45700
GNIS feature ID0956544

Marlboro is a hamlet (and census-designated place) in Ulster County, New York, United States. The population was 3,669 at the 2020 census. Marlboro is in the southeastern part of the town of Marlborough, located in the southeastern corner of the county.