US Census Data

Old Westbury

In Nassau County, New York.

Population
4,320
-7.5%’19–’23
Median household income
$250,001
+13.6%’19–’23
Median home value
$2,000,001
+7.7%’19–’23

Old Westbury, a community in Nassau County, New York, has 4,320 residents. The median household income of $250,001 is above the Nassau County median ($143,408).

Between 2019 and 2023, Old Westbury's population declined 7.5% from 4,670 to 4,320, while its median home value rose 7.7% from $1,856,900 to $2,000,001.

Owners occupy 93.3% of the area's occupied homes. The median resident is 28.7 years old.

Demographics

ACS 2019–2023
Population
4,320
Median age
28.7 yrs
Median household income
$250,001
Median home value
$2,000,001
Median gross rent
$3,501
Housing units
1,132
Homeownership rate
93.3%
Bachelor's degree or higher
75.0%
Unemployment rate
6.2%

Trends

ACS 5-year · 2019–2023
Population
4,6704,320
Median household income
$220,048$250,001
Median home value
$1,856,900$2,000,001
Median gross rent
$3,501$3,501
YearPopulationMedian household incomeMedian home valueMedian gross rent
20194,670$220,048$1,856,900
20204,618$224,250$1,881,300
20214,567$250,001$1,964,100
20224,410$250,001$2,000,001$3,501
20234,320$250,001$2,000,001$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 5721.7%
5 to 1747511.0%
18 to 241,47434.1%
25 to 342976.9%
35 to 442395.5%
45 to 5447110.9%
55 to 6461514.2%
65 to 743458.0%
75 and over3327.7%

Race & ethnicity

CountShare
White (non-Hispanic)2,91167.4%
Black or African American2686.2%
American Indian & Alaska Native00.0%
Asian58913.6%
Native Hawaiian & Pacific Islander00.0%
Some other race180.4%
Two or more races2165.0%
Hispanic or Latino (any race)3187.4%

Educational attainment (age 25+)

CountShare
No high school diploma482.1%
High school graduate1998.7%
Some college or associate's32714.2%
Bachelor's degree83236.2%
Graduate or professional degree89338.8%

Commute to work

Mean travel time to work
33 min

How workers get to work

CountShare
Drove alone98352.4%
Carpooled914.9%
Public transit1839.8%
Walked1829.7%
Bicycle60.3%
Worked from home41121.9%
Other means201.1%

Travel time

CountShare
Under 15 min26618.2%
15 to 29 min59040.3%
30 to 44 min18512.6%
45 to 59 min614.2%
60+ min36324.8%

Households

Average household size
3.07
Poverty rate
5.0% (162 of 3,242)
CountShare
Family households85080.7%
Nonfamily households20319.3%

Housing

Median year structure built
1969

Occupancy

CountShare
Occupied1,05393.0%
Vacant797.0%

Tenure (of occupied units)

CountShare
Owner-occupied98293.3%
Renter-occupied716.7%

Units in structure

CountShare
1-unit, detached1,06093.6%
1-unit, attached484.2%
2 to 4 units30.3%
5 to 19 units00.0%
20 or more units00.0%
Mobile home & other211.9%

Geography

Place GEOID
3654705
Type (LSAD)
47
Land area
8.57 sq mi
Water area
0 sq mi
Center point
40.7865, -73.5975

Compare with nearby cities

5

New York rankings

21

Other places in Nassau County

132