Old Westbury, NY Profile: Facts, Map & Data


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Old Westbury, New York - Basic Facts

The Village of Old Westbury had a population of 4,720 as of July 1, 2016. Old Westbury ranks in the lower quartile for Population Density and the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Old Westbury is located at latitude 40.7866 and longitude -73.5975 in Nassau County. The formal boundaries for the Village of Old Westbury (see map below) encompass a land area of 8.58 sq. miles and a water area of 0 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 161 feet.

The Village of Old Westbury (GNIS ID: 2391036) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Old Westbury is located within Town of North Hempstead, a minor civil division (MCD) of Nassau County.

Beneath the boundary map are tables with Old Westbury population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Old Westbury: Westbury.

Neighborhood Data

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Village of Old Westbury, NY Boundary Map

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Boundary Maps: Town of North Hempstead | Nassau County | New York Counties

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Old Westbury, NY Data & Demographics (As of July 1, 2016)


Total Population 4,720
Population in Households 3,317
Population in Familes 3,020
Population in Group Qrtrs 1,403
Population Density1 550
Diversity Index2 66


Total Households 1,089
Average Household Size 3.05
Family Households 922
Average Family Size 3


Total Housing Units 1,202 (100%)
Owner Occupied HU 985 (81.9%)
Renter Occupied HU 104 ( 8.7%)
Vacant Housing Units 113 ( 9.4%)
Median Home Value $1,000,001
Average Home Value $1,174,974


Median Household Income $200,001
Average Household Income $274,785
Per Capita Income $63,059
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.17% 0.26%
Households 0.24% 0.31%
Families 0.21% 0.28%
Median Household Income   0.0%
Per Capita Income   1.6%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Old Westbury, NY - Peer Comparisons by Rank and Percentile

The table below compares Old Westbury to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 362 70th
Population Density1 # 911 24th
Diversity Index2 # 104 91st
Median Household Income # 15 100th
Per Capita Income # 103 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.

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