Rockland -- U.S. County in New York Population (2000): 286753 Housing Units (2000): 94973 Land area (2000): 174.218537 sq. miles (451.223919 sq. km) Water area (2000): 25.122648 sq. miles (65.067358 sq. km) Total area (2000): 199.341185 sq. miles (516.291277 sq. km) Located within: New York (NY), FIPS 36 Location: 41.124995 N, 74.014963 W Headwords: Rockland Rockland, NY Rockland County Rockland County, NY