Garden City Park, New York  Garden City Park is a hamlet and census-designated place (CDP) located in the Town of North Hempstead in Nassau County on Long Island in the U.S. state of New York. The population was 7,806 at the 2010 census. From about 1787 until about 1874, when the area was known as Clowesville, the county seat of Queens County was located here, along with the county courthouse and jail. Garden City Park is located at (40.743011, -73.662842). According to the United States Census Bureau, the CDP has a total area of , all land. It is a nonlegal entity governed by the Town of North Hempstead, bordered by Hillside Avenue to the north (vis-a-vis with Herricks), Herricks Road to the east (bordering the village of Mineola, and Denton Avenue to the west (vis-a-vis with unincorporated New Hyde Park. The southern border is the boundary of the Town of North Hempstead with the Town of Hempstead, roughly coinciding with Atlantic Avenue and the Main Line of the Long Island Railroad (LIRR). The local LIRR stop is Merillon Avenue. Some local and town maps reflect that Garden City Park spills over north into Herricks. Mail delivery is provided by the New Hyde Park Post Office utilizing the 11040 Zip Code. As of the census United States Census of 2010, there were 7,806 people, 2,508 households, and 1,993 families living in the CDP. The population density was 7,759.3 per square mile (3,006.8/km²). There were 2,548 housing units at an average density of 2,617.3/sq mi (1,014.2/km²). The racial makeup of the CDP was 48.6% Non-Hispanic White, 3.8% African American, 0.3% Native American, 33.1% Asian, 0.1% Pacific Islander, 3.8% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 12.1% of the population. Of the 2,508 households 33.9% had children under the age of 18 living with them, 66.3% were married couples living together, 9.9% had a female householder with no husband present, and 20.5% were non-families. 18.2% of households were one person and 12.8% were one person aged 65 or older.