Massapequa, NY Profile: Facts, Map & Data


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Massapequa, New York - Basic Facts

The Massapequa Census Designated Place had a population of 21,535 as of July 1, 2015. Massapequa ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Massapequa is located at latitude 40.6683 and longitude -73.4715 in Nassau County. The formal boundaries for the Massapequa Census Designated Place (see map below) encompass a land area of 3.56 sq. miles and a water area of 0.43 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 23 feet.

The Massapequa Census Designated Place (GNIS ID: 2390130) 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 Massapequa 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 Massapequa population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Massapequa: Oysterbay South, South Oyster Bay.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Massapequa Census Designated Place, NY Boundary Map

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Boundary Maps: Town of Oyster Bay | Nassau County | New York Counties

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Massapequa, NY Data & Demographics (As of July 1, 2015)


Total Population 21,535
Population in Households 21,500
Population in Familes 19,727
Population in Group Qrtrs 35
Population Density1 6,053
Diversity Index2 18


Total Households 7,194
Average Household Size 2.99
Family Households 5,948
Average Family Size 3


Total Housing Units 7,459 (100%)
Owner Occupied HU 6,690 (89.7%)
Renter Occupied HU 504 ( 6.8%)
Vacant Housing Units 265 ( 3.6%)
Median Home Value $465,071
Average Home Value $501,753


Median Household Income $111,765
Average Household Income $145,405
Per Capita Income $48,593
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.13% 0.04%
Households -0.08% 0.04%
Families -0.13% 0.02%
Median Household Income   1.5%
Per Capita Income   2.24%
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.


Massapequa, NY - Peer Comparisons by Rank and Percentile

The table below compares Massapequa to the other 1,189 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2015 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 # 75 94th
Population Density1 # 99 92nd
Diversity Index2 # 685 42nd
Median Household Income # 141 88th
Per Capita Income # 183 85th

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