South Valley Stream, New York | |
|---|---|
Saddle Rock Road in South Valley Stream on August 8, 2022. | |
Location inNassau County and the state ofNew York | |
| Coordinates:40°39′10″N73°43′6″W / 40.65278°N 73.71833°W /40.65278; -73.71833 | |
| Country | |
| State | |
| County | Nassau |
| Town | Hempstead |
| Named after | Its location south ofValley Stream |
| Area | |
• Total | 0.87 sq mi (2.25 km2) |
| • Land | 0.87 sq mi (2.25 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Elevation | 6.6 ft (2 m) |
| Population (2020) | |
• Total | 6,386 |
| • Density | 7,342.3/sq mi (2,834.86/km2) |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (EDT) |
| Area codes | 516, 363 |
| FIPS code | 36-69892 |
| GNIS feature ID | 1867419 |
South Valley Stream is an unincorporatedhamlet andcensus-designated place (CDP) in theTown of Hempstead inNassau County, onLong Island, inNew York, United States.[2] The population was 6,386 at the time of the 2020 census.
South Valley Stream is located in the southern part of theTown of Hempstead, and consists of two unincorporated areas,North Woodmere and Mill Brook.

According to theUnited States Census Bureau, the CDP has a total area of 0.9 square miles (2.3 km2), all land.[3]
TheGreen Acres Mall is located along the border of the hamlet and the Village of Valley Stream.[4]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 2010 | 5,962 | — | |
| 2020 | 6,386 | 7.1% | |
| U.S. Decennial Census[5] | |||
As of thecensus[6] of 2010, there were 5,962 people, 1,969 households, and 1,554 families residing in the CDP. The population density was 6,415.1 inhabitants per square mile (2,476.9/km2). There were 2,045 housing units at an average density of 2,326.9 per square mile (898.4/km2). The racial makeup of the CDP was 51.90%White, 23.10%African American, 0.07%Native American, 18.10%Asian, 0.00%Pacific Islander, 4.40% fromother races, and 2.20% from two or more races.Hispanic orLatino of any race were 9.80% of the population.
There were 1,969 households, out of which 35.40% had children under the age of 19 living with them, 65.20% weremarried couples living together, 10.20% had a female householder with no husband present, and 21.10% were non-families. 18.70% of all households were made up of individuals living alone, and 11.70% had someone living alone who was 65 years of age or older. The average household size was 3.02 and the average family size was 3.46.
In the CDP, the population was spread out, with 26.20% under the age of 19, 5.80% from 20 to 24, 21.30% from 25 to 44, 30.80% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 42.5 years. The population consists of 52% females, and 48% males.
The median income for a household in the CDP was $108,995, and the median income for a family was $118,750.
The northern portion of the hamlet is served byValley Stream South High School and Forest Road Elementary School, while the southern portion, south of Rosedale Road, is served byGeorge W. Hewlett High School, Woodmere Middle School, and Ogden Elementary School.[4]