Old Westbury Flag

Old Westbury

County:
Nassau County
County Seat:
No
Area (mi²):
8.572
State:
New York

Old Westbury is a village located in Nassau County, New York. Old Westbury has a 2025 population of 5,192. Old Westbury is currently growing at a rate of 3.59% annually and its population has increased by 20.91% since the most recent census, which recorded a population of 4,294 in 2020.

The average household income in Old Westbury is $441,391 with a poverty rate of 5%.The median age in Old Westbury is 28.7 years: 37.3 years for males, and 27.2 years for females.

5.2K
Total Population
606
Density (mi²)
180 3.59%
Growth

Old Westbury Population

Old Westbury Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Old Westbury includes 71.25% White, 13.63% Asian, 7.13% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

White (71.3%)

Asian (13.6%)

Black or African American (7.1%)

Two or more races (6.4%)

Other race (1.6%)

Race
Population
Percentage (of total)
White3,07871.25%
Asian58913.63%
Black or African American3087.13%
Two or more races2766.39%
Other race691.6%

Old Westbury Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Old Westbury's average per capita income is $108,359. Household income levels show a median of $250,001. The poverty rate stands at 5%.

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
Households$250,001$441,391
Families$250,001$461,568
Married Families$250,001-
Non Families$250,001$345,218

$108,359

Average Income

$250,001

Median Household Income

5%

Poverty Rate

Nearby Cities

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)