Tomkins Cove is a hamlet in the Town of Stony Point, Rockland County, New York, United States, located north of Stony Point; east of Harriman State Park; south of Doodletown and west of the Hudson River. It is located north-northwest of New York City. The population is approximately 1,739 and the ZIP Code is 10986. The community is served by the 7…Tomkins Cove is a hamlet in the Town of Stony Point, Rockland County, New York, United States, located north of Stony Point; east of Harriman State Park; south of Doodletown and west of the Hudson River. It is located north-northwest of New York City. The population is approximately 1,739 and the ZIP Code is 10986. The community is served by the 786 exchange in area code 845.