Greenfield Center is a hamlet in Saratoga County, New York, United States. The community is located along New York State Route 9N, northwest of Saratoga Springs. Greenfield Center has a post office with ZIP code 12833, which opened on February 16, 1831.
Greenfield Center was formed in 1793 and has grown to a population of approximately 7,400.
Lester Park in Greenfield Center includes remnants of the Hoyt family quarry and kilns, as well as exposed stromatolites.