Rockland County is the southernmost county on the west side of the Hudson River in the U.S. state of New York. It is part of the New York metropolitan area. As of the 2020 U.S. census, the county's population is 338,329, making it the state's third-most densely populated county outside New York City after Nassau and neighboring Westchester Counties. The county seat and largest hamlet is New City. Rockland County is accessible via the New York State Thruway, which crosses the Hudson River to Westchester at the Tappan Zee Bridge over the Tappan Zee, ten exits up from the NYC border, as well as the Palisades Parkway five exits up from the George Washington Bridge. The county's name derives from "rocky land", as the area has been aptly described, largely due to the Hudson River Palisades. The county is part of the Hudson Valley region of the state.
Bardonia is a hamlet and census-designated place in the town of Clarkstown, Rockland County, New York, United States. It is located northeast of Nanuet, northwest of West Nyack, south of New City, and west of Valley Cottage. The population was 4,108 at the 2010 census.
Blauvelt is a hamlet, about 20 miles northwest of New York City. It was a census-designated place, formerly known as Greenbush and then Blauveltville, in the town of Orangetown, Rockland County, New York, United States. It is located north of Tappan, east of Nauraushaun and Pearl River, south of Central Nyack, and west of Orangeburg. As of the 2010 census, the CDP had a population of 5,689.
Clarkstown is a town in Rockland County, New York, United States. The town is on the eastern border of the county, located north of the town of Orangetown, east of the town of Ramapo, south of the town of Haverstraw, and west of the Hudson River. As of the 2020 census, the town had a total population of 86,855. The hamlet of New City, the county seat of Rockland County, is also the seat of town government and of the Clarkstown Police Department, the county sheriff's office, and the county correctional facility. New City makes up about 41.47% of the town's population.
Grand View-on-Hudson is a village incorporated in 1918 in the town of Orangetown in Rockland County, New York, United States. It is located north of Piermont, east of Orangeburg, south of South Nyack, and west of the Hudson River. The population was 285 at the 2010 census. The name is derived from the scenic view from its location.
Hillcrest is a hamlet incorporated in 1893 and census-designated place, in the town of Ramapo, Rockland County, New York, United States. It is located north of Spring Valley, east of Viola, south of New Square and New Hempstead, and west of New City. The population was 8,164 at the 2020 census.
Nyack is a village located primarily in the town of Orangetown in Rockland County, New York, United States. Incorporated in 1872, it retains a very small western section in Clarkstown. The village had a population of 7,265 as of the 2020 census. It is a suburb of New York City lying approximately 15 miles (24 km) north of the Manhattan boundary near the west bank of the Hudson River, situated north of South Nyack, east of Central Nyack, south of Upper Nyack, and southeast of Valley Cottage.
Orangetown is a town in Rockland County, New York, United States, located in the southeastern part of the county. It is northwest of New York City, north of New Jersey, east of the town of Ramapo, south of the town of Clarkstown, and west of the Hudson River. The population was 48,655 at the 2020 census.
Pearl River is a hamlet and census-designated place in the town of Orangetown, Rockland County, New York, United States. It is east of Chestnut Ridge, south of Nanuet, west of Blauvelt, New York, and north of Montvale and Old Tappan, New Jersey. The population was 15,876 at the 2010 census.
Piermont is a village incorporated in 1847 in Rockland County, New York, United States. Piermont is in the town of Orangetown, located north of the hamlet of Palisades, east of Sparkill, and south of Grand View-on-Hudson, on the west bank of the Hudson River. The population was 2,517 at the 2020 census. Woody Allen set The Purple Rose of Cairo (1984) in Piermont.
South Nyack is a hamlet and census-designated place in the town of Orangetown in Rockland County, New York, United States. It is located north of Grand View-on-Hudson, northeast of Orangeburg, east of Blauvelt State Park, south of Nyack and west of the Hudson River. The hamlet is the western terminus of the Tappan Zee Bridge. Its population was 3,510 at the 2010 census. The hamlet was formerly incorporated as a village from 1878 until 2022.
Tappan is a hamlet and census-designated place in the town of Orangetown, New York, United States. It is located northwest of Alpine, New Jersey, north of Northvale, New Jersey and Rockleigh, New Jersey, northeast of Old Tappan, New Jersey, east/southeast of Nauraushaun and Pearl River, south of Orangeburg, southwest of Sparkill, and west of Palisades; Tappan shares a border with each. The population was 6,673, according to the 2020 census.
Upper Nyack is a village incorporated in 1872 in the town of Clarkstown, Rockland County, New York, United States. It is located north of the village of Nyack, east of Valley Cottage, south of Rockland Lake State Park, and west of the Hudson River. The population was 2,063 at the 2010 census.
Valley Cottage is a hamlet and census-designated place in the town of Clarkstown, New York, United States. It is located northeast of West Nyack, northwest of Central Nyack east of Bardonia, south of Congers, northwest of Nyack, and west of Upper Nyack. The population was 9,107 at the 2010 census.
West Haverstraw is a village incorporated in 1883 in the town of Haverstraw, Rockland County, New York, United States. It is located northwest of Haverstraw village, east of Thiells, south of the hamlet of Stony Point, and west of the Hudson River. The population was 10,165 at the 2010 census. The majority of the hamlet of Garnerville is contained in the village of West Haverstraw.
Greenburgh is a town in western Westchester County, New York. The population was 95,397 at the time of the 2020 census. The town consists of 6 villages and an unincorporated area.
East Greenbush is a census-designated place (CDP) in Rensselaer County, New York, United States. The population was 6,266 at the 2020 census.
Camp Shanks was a United States Army installation in the Orangetown, New York area. Named after Major General David C. Shanks, it was situated near the juncture of the Erie Railroad and the Hudson River. The camp was the largest U.S. Army embarkation camp used during World War II.
Sparkill, formerly known as Tappan Sloat, is a suburban hamlet and census-designated place in the Town of Orangetown, Rockland County, New York, United States located north of Palisades; east of Tappan; south of Piermont and west of the Hudson River. As of the 2010 census, the CDP had a population of 1,565. The hamlet is home to St. Thomas Aquinas College and the Dominican Sisters of Sparkill.
New York State Route 340 (NY 340) is a 3.10-mile (4.99 km) state highway in southeastern Rockland County, New York, in the United States. Though it is signed as an east–west route, it actually follows a north–south alignment. The southern terminus of the route is at the New Jersey state line in Palisades, where it becomes County Route 501 (CR 501). The northern terminus is at an intersection with NY 303 in Orangeburg; however, according to the New York State Department of Transportation (NYSDOT), the route continued for another 0.07 miles (0.11 km) to the northwest of NY 303 until by 2017. NY 340 was assigned to part of its modern routing in the early 1930s and extended to its current length in the early 1940s.
