Locust Valley, NY Profile: Facts, Map & Data


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Locust Valley, New York - Basic Facts

The Locust Valley Census Designated Place had a population of 3,493 as of July 1, 2016. Locust Valley ranks in the upper quartile for Population Density and 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 Locust Valley is located at latitude 40.8781 and longitude -73.5888 in Nassau County. The formal boundaries for the Locust Valley Census Designated Place (see map below) encompass a land area of 0.91 sq. miles and a water area of 0.02 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 128 feet.

The Locust Valley Census Designated Place (GNIS ID: 2390086) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Locust Valley Census Designated Place is located within Town of Oyster Bay, a minor civil division (MCD) of Nassau County.

Beneath the boundary map are tables with Locust Valley 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 Locust Valley: Buckram, Old Kaintuck Mill.

Neighborhood Data

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Locust Valley Census Designated Place, NY Boundary Map

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Locust Valley, NY Data & Demographics (As of July 1, 2016)


Total Population 3,493
Population in Households 3,475
Population in Familes 3,000
Population in Group Qrtrs 18
Population Density1 3,849
Diversity Index2 55


Total Households 1,229
Average Household Size 2.83
Family Households 895
Average Family Size 3


Total Housing Units 1,304 (100%)
Owner Occupied HU 881 (67.6%)
Renter Occupied HU 348 (26.7%)
Vacant Housing Units 75 ( 5.8%)
Median Home Value $627,915
Average Home Value $667,253


Median Household Income $93,159
Average Household Income $138,372
Per Capita Income $48,849
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.4% 0.44%
Households 0.28% 0.34%
Families 0.16% 0.27%
Median Household Income   2.32%
Per Capita Income   1.81%
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.

Locust Valley, NY - Peer Comparisons by Rank and Percentile

The table below compares Locust Valley 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 # 446 63rd
Population Density1 # 199 83rd
Diversity Index2 # 179 85th
Median Household Income # 262 78th
Per Capita Income # 185 85th

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

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