Old Westbury, NY demographics:
population, income, and more

Total population
4,241
-1.8% year-over-year change
Median household income
$250,001/yr
0.0% year-over-year change
Housing units
1,077
-4.9% year-over-year change

Old Westbury population

How many people live in Old Westbury

Old Westbury is home to 4,241 residents, according to the most recent Census data. Gender-wise, 47.5% of Old Westbury locals are male, and 52.5% are female.

Total population
4,241
-1.8% year-over-year change
Gender ratio
Male
47.5%
2,015
Female
52.5%
2,226
Value Percent YoY change
Male 2,015 47.5% -0.4%
Female 2,226 52.5% -3.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Old Westbury is 30, with the population distributed as follows: about 7.1% are children under 15, then 37% are in the 15 to 24 age group. Adults between 25 and 44 make up 16.6% of the population, while another 24.7% fall into the 45 to 64 bracket. Finally, around 14.7% are 65 or older.

Median age
29.5
Age breakdown
Under 15
7.1%
15 to 24
37%
25 to 44
16.6%
45 to 64
24.7%
Over 65
14.7%
Value Percent YoY change
Under 15 300 7.1% -9.4%
15 to 24 1,569 37% -7.2%
25 to 44 703 16.6% 31.2%
45 to 64 1,047 24.7% -3.6%
Over 65 622 14.7% -8.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Old Westbury, 80.8% of the population are US-born citizens, while 14.8% have gained naturalized citizenship. At the same time, 4.4% of residents are non-citizens. As for race, 75.8% of locals are Caucasian, 5.1% are African American and 13.4% have Asian roots. There’s also a share of 4.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
80.8%
Non-U.S.-born citizens
14.8%
Non-citizens
4.4%
Value Percent YoY change
U.S.-born citizens 3,428 80.8% 3.8%
Non-U.S.-born citizens 626 14.8% -23.9%
Non-citizens 187 4.4% -3.6%
Racial breakdown
White
75.8%
Black or African American
5.1%
American Indian and Alaska Native
0%
Asian
13.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.3%
Other
1.3%
Value Percent
White 3,216 75.8%
Black or African American 217 5.1%
Asian 568 13.4%
Two or more races 183 4.3%
Other 57 1.3%

Households in Old Westbury

A peek inside Old Westbury households

Old Westbury has 1,007 households, with an average of 3 members in each. Of these, 82.6% are families, while the remaining 17.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,007
-4.4% year-over-year change
Average people per household
3
Non-family households
175
Family households
832
Value Percent YoY change
Non-family households 175 17.4% -13.8%
Family households 832 82.6% -2.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Old Westbury

The housing landscape of Old Westbury

Old Westbury's housing consists of 1,077 units, with 94.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.6% of the housing landscape.

Housing units
1,077
-4.9% year-over-year change
Housing types
Value Percent
1 unit, detached 1,022 94.9%
1 unit, attached 32 3%
2 units 6 0.6%
Mobile home 17 1.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Old Westbury

In Old Westbury, the median construction year is 1969. About 15% of homes were built before the 1940s, with another 3.8% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 161 15% -14.8%
Built between 1940 and 1949 41 3.8% 64.0%
Built between 1950 and 1959 202 18.8% -2.4%
Built between 1960 and 1969 143 13.3% -8.3%
Built between 1970 and 1979 120 11.1% -18.9%
Built between 1980 and 1989 148 13.7% 24.4%
Built between 1990 and 1999 46 4.3% -37.8%
Built between 2000 and 2009 127 11.8% -8.0%
Built between 2010 and 2019 89 8.3% 17.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Old Westbury occupancy rates

Out of the 1,007 occupied housing units in Old Westbury, 92.6% are owner-occupied, while 7.4% are lived in by tenants. Meanwhile, 6.5% of all homes on the local market sit vacant.

Occupied housing units
1,007
-4.4% year-over-year change
Occupancy breakdown
Renter occupied
75
Owner occupied
932
Value Percent YoY
change
Renter occupied 75 7.4% 5.6%
Owner occupied 932 92.6% -5.1%
Unoccupied housing units
6.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Old Westbury housing costs

Housing costs in Old Westbury come to a median of $4,001 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$4,001/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Old Westbury
$3,501/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Old Westbury

Old Westbury education at a glance

About 13.7% of the population in Old Westbury went to high school, while 25.9% pursued college studies. Another 4.2% earned an associate degree and 29.6% hold a bachelor’s. Meanwhile, 25.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 29 0.8% -3.3%
High school diploma 506 13.7% -16.5%
College diploma 960 25.9% -5.5%
Associate degree 156 4.2% -9.8%
Bachelor's degree 1,097 29.6% 5.8%
Graduate degree 954 25.8% 4.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Old Westbury

How much people earn in Old Westbury

The average annual household income in Old Westbury was $552,856 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +25.2% change from the previous year.

Average household income in Old Westbury
$552,856/year
25.2% year-over-year change
Median household income in Old Westbury
$250,001/year
0.0% year-over-year change

Old Westbury income by age

In Old Westbury, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $250,001. Those with someone between 45 and 64 in charge, often well established professionally, earn $250,001 overall. Overall, 96.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $250,001 0.0%
45 - 64 $250,001 0.0%
Over 65 $250,001 0.0%
Above poverty level
3,123
Below poverty level
105
Value Percent YoY
change
Above poverty level 3,123 96.8% 1.7%
Below poverty level 105 3.2% -35.2%

Employment in Old Westbury

Workforce and job types in Old Westbury

The job market in Old Westbury is powered by 1,933 working residents, spread across a range of industries and roles. 94.1% of the working population are employed in professional or administrative positions, while 5.9% are in hands-on or service-based jobs. Also, 12.6% run their own businesses, 71% are employed by private companies, and 7.6% work in the public sector.

Workforce demographics

Working population
1,933
-1.2% year-over-year change
White collar
1,819
Blue collar
114
Value Percent YoY change
White collar 1,819 94.1% 0.3%
Blue collar 114 5.9% -19.7%
Employer type
Self employees
12.6%
Private companies
71%
Governmental workers
7.6%
Not for profit companies
8.7%
Value Percent YoY change
Self employees 244 12.6% -12.9%
Private companies 1,373 71% 4.0%
Governmental workers 147 7.6% -35.5%
Not for profit companies 169 8.7% 32.0%
Unemployment rate
5.2%
-19.2% year-over-year change

Available workforce

The unemployment rate in Old Westbury stands at 5.2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Old Westbury

How people get around in Old Westbury

Commuting methods vary: 53.5% of residents travel by personal vehicle and 10.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 978 53.5% -8.9%
Bus or trolleybus 4 0.2% -86.7%
Subway or elevated 75 4.1% N/A
Railroad 135 7.4% 19.5%
Walk 191 10.4% 5.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Old Westbury by zipcode?

Zipcode Population Number of households Median income Average income
11568 4,144 974 $250,001 $559,134
11548 2,261 410 $122,250 $217,080

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FAQs about Old Westbury demographics 

What is the total population of Old Westbury?

Old Westbury has a total population of 4,241 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.8% compared to a year ago.

What is the gender ratio in Old Westbury?

The gender ratio in Old Westbury is as follows:
  • 47.5% males (2,015 residents)
  • 52.5% females (2,226 residents)

What is the median age in Old Westbury?

The median age in Old Westbury is 29.5.

What is the age distribution of the population in Old Westbury?

The age distribution in Old Westbury is as follows:
  • Under 15: 7.1% (300 residents)
  • Ages 15-24: 37% (1,569 residents)
  • Ages 25-44: 16.6% (703 residents)
  • Ages 45-64: 24.7% (1,047 residents)
  • Over 65: 14.7% (622 residents)

What is the racial and ethnic makeup of Old Westbury?

The racial and ethnic makeup of Old Westbury is as follows:
  • White: 75.8% (3,216 residents)
  • Black or African American: 5.1% (217 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 13.4% (568 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.3% (183 residents)
  • Other: 1.3% (57 residents)

What percentage of the population in Old Westbury are U.S.-born citizens?

U.S.-born citizens represent 80.8% of the population in Old Westbury.

How many housing units are there in Old Westbury?

There are 1,077 housing units in Old Westbury, reflecting a -4.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Old Westbury and what is the average household size?

Old Westbury has a total of 1,007 households, with an average of 3 people in each.

What is the median household income in Old Westbury?

Old Westbury has a median household income of $250,001, representing a 0.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Old Westbury?

The employment rate is 94.8% in Old Westbury, with a workforce of 1,933 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 94.1% (1,819 residents)
  • Blue-collar workers: 5.9% (114 residents)

Places of employment:
  • Self-employed: 12.6% (244 residents)
  • Private companies: 71% (1,373 residents)
  • Governmental workers: 7.6% (147 residents)
  • Not-for-profit companies: 8.7% (169 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025