Monsey is a hamlet and census-designated place in the town of Ramapo, Rockland County, New York, United States, located north of Airmont; east of Viola; south of New Hempstead; and west of Spring Valley. The village of Kaser is completely surrounded by the hamlet of Monsey. The 2010 census listed the population at 18,412.
The hamlet has a large, and growing, community of Orthodox Jews.
The 2021 Monsey Community Cleanup, part of the Great American Cleanup, will be held on Sunday, May 23rd, from 5 to 7pm, beginning at 6 Olympia Lane, Monsey, NY. Raindate is Sunday, May 30th. Click here to register.