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 4,715 as of July 1, 2017. 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, 2017.

Alternate Unofficial Names for Old Westbury: Westbury.

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Village of Old Westbury, NY Boundary Map

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Old Westbury, NY Data & Demographics (As of July 1, 2017)


Total Population 4,715
Daytime Population: Workers 2,349
Daytime Population: Residents 2,530
Total Daytime Population (TDP) 4,879
Ratio TDP/Total Population1 1.03
Population in Households 3,345
Population in Familes 3,044
Population in Group Qrtrs 1,370
Population Density2 550
Diversity Index3 64


Median Household Income $200,001
Average Household Income $288,413
Per Capita Income $66,473


Total Housing Units 1,199 (100%)
Owner Occupied HU 991 (82.7%)
Renter Occupied HU 103 ( 8.6%)
Vacant Housing Units 105 ( 8.8%)
Median Home Value $1,000,001
Average Home Value $1,187,335


Total Households 1,094
Average Household Size 3.06
Family Households 925
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.13% 0.28%
Households 0.27% 0.29%
Families 0.23% 0.26%
Median Household Income   0.0%
Per Capita Income   1.53%

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, 2017 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 # 366 69th
Population Density # 909 24th
Diversity Index # 115 91st
Median Household Income # 5 98th
Per Capita Income # 100 92nd

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

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