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.

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,333	37.77%
Asian	1,501	24.3%
Black or African American	1,169	18.93%
Two or more races	772	12.5%
Other race	377	6.1%
Native American	25	0.4%
Native Hawaiian or Pacific Islander	0	0%

South Valley Stream Marital Status

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