Barnum Island, NY Profile: Facts, Map & Data


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Barnum Island, New York - Basic Facts

The Barnum Island Census Designated Place had a population of 2,518 as of July 1, 2016. Barnum Island 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 Barnum Island is located at latitude 40.6063 and longitude -73.646 in Nassau County. The formal boundaries for the Barnum Island Census Designated Place (see map below) encompass a land area of 0.88 sq. miles and a water area of 0.38 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 3 feet.

The Barnum Island Census Designated Place (GNIS ID: 2389175) 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 Barnum Island Census Designated Place is located within Town of Hempstead, a minor civil division (MCD) of Nassau County.

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

Neighborhood Data

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Barnum Island Census Designated Place, NY Boundary Map

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Barnum Island, NY Data & Demographics (As of July 1, 2016)


Total Population 2,518
Population in Households 2,440
Population in Familes 2,105
Population in Group Qrtrs 78
Population Density1 2,861
Diversity Index2 54


Total Households 873
Average Household Size 2.79
Family Households 666
Average Family Size 3


Total Housing Units 899 (100%)
Owner Occupied HU 743 (82.6%)
Renter Occupied HU 130 (14.5%)
Vacant Housing Units 26 ( 2.9%)
Median Home Value $545,488
Average Home Value $591,252


Median Household Income $90,020
Average Household Income $124,650
Per Capita Income $44,198
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.68% 0.62%
Households 0.56% 0.52%
Families 0.49% 0.48%
Median Household Income   2.87%
Per Capita Income   1.94%
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.

Barnum Island, NY - Peer Comparisons by Rank and Percentile

The table below compares Barnum Island 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 # 540 55th
Population Density1 # 293 76th
Diversity Index2 # 186 85th
Median Household Income # 277 77th
Per Capita Income # 242 80th

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

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