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 2026 population of 5,278. Old Westbury is currently growing at a rate of 3.21% annually and its population has increased by 22.94% since the most recent census, which recorded a population of 4,293 in 2020.

The median household income in Old Westbury is $250,001 with a poverty rate of 3.23%. The median age in Old Westbury is 29.5 years: 31.2 years for males, and 29.1 years for females. For every 100 females there are 90.5 males.

5.3K
Total Population
616
Density (mi²)
164 3.21%
Growth

Old Westbury Population

Old Westbury Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,2781643.21%
20255,1141643.31%
20244,950220.45%
20234,928931.92%
20224,835541.13%
20214,78148811.37%
20204,293-5-0.12%
20194,122-479-10.41%
20184,601-47-1.01%
20174,648110.24%
20164,637300.65%
20154,607-31-0.67%
20144,638430.94%
20134,595-16-0.35%
20124,611-17-0.37%
20114,628-74-1.57%
20104,702310.66%
20004,2283318.49%
19903,89762018.92%
19803,27761022.87%
19702,66700%

Median Age

Overall: 29.5 years
Female: 29.1 years
Male: 31.2 years

Old Westbury Adults

There are 3,702 adults, (622 of whom are seniors) in Old Westbury.

Sex Ratio

Female: 2,226 (52.5%)
Male: 2,015 (47.5%)

Demographics

The racial composition of Old Westbury includes 75.83% White, 13.39% Asian, 5.12% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,21675.83%
Asian56813.39%
Black or African American2175.12%
Two or more races1834.32%
Other race571.34%
Race
Population ↓
Percentage (of total)
White1042.45%
Two or more races581.37%
Other race571.34%
Black or African American170.4%
Race
Population ↓
Percentage (of total)
White3,11273.38%
Asian56813.39%
Black or African American2004.72%
Two or more races1252.95%

Old Westbury Marital Status

Economics and Income Statistics

Old Westbury 's average per capita income is $112,667. Household income levels show a median of $250,001. The poverty rate stands at 3.23%.

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$552,856
Families$250,001$571,925
Married Families$250,001-
Non Families$250,001$432,597

$112,667

Average Income

$250,001

Median Household Income

3.23%

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)