South Valley Stream Flag

South Valley Stream

County:
Nassau County
County Seat:
No
Area (mi²):
0.87
State:
New York

South Valley Stream is a CDP located in Nassau County, New York. South Valley Stream has a 2025 population of 6,671. South Valley Stream is currently growing at a rate of 0.71% annually and its population has increased by 2.33% since the most recent census, which recorded a population of 6,519 in 2020.

The average household income in South Valley Stream is $172,608 with a poverty rate of 12.69%.The median age in South Valley Stream is 43.9 years: 42.2 years for males, and 48.1 years for females.

6.7K
Total Population
7,670
Density (mi²)
47 0.71%
Growth

South Valley Stream Population

South Valley Stream Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Valley Stream includes 37.77% White, 24.3% Asian, 18.93% Black or African American, 6.1% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,33337.77%
Asian1,50124.3%
Black or African American1,16918.93%
Two or more races77212.5%
Other race3776.1%
Native American250.4%

South Valley Stream Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Valley Stream's average per capita income is $68,668. Household income levels show a median of $138,783. The poverty rate stands at 12.69%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$176,161-
Families$139,946$175,688
Households$138,783$172,608
Non Families$111,952$154,518

$68,668

Average Income

$138,783

Median Household Income

12.69%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)