Port Washington, NY Profile: Facts, Map & Data


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Port Washington, New York - Basic Facts

The Port Washington Census Designated Place had a population of 16,264 as of July 1, 2015. Port Washington 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 Port Washington is located at latitude 40.8275 and longitude -73.68 in Nassau County. The formal boundaries for the Port Washington Census Designated Place (see map below) encompass a land area of 4.18 sq. miles and a water area of 1.43 sq. miles. Nassau County is in the Eastern time zone (GMT -5). The elevation is 102 feet.

The Port Washington Census Designated Place (GNIS ID: 2389700) 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 Port Washington Census Designated Place is located within Town of North Hempstead, a minor civil division (MCD) of Nassau County.

Beneath the boundary map are tables with Port Washington 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 Port Washington: Cow Bay, Sinsinck.

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.


Port Washington Census Designated Place, NY Boundary Map

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

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


Total Population 16,264
Population in Households 16,062
Population in Familes 14,014
Population in Group Qrtrs 202
Population Density1 3,886
Diversity Index2 53


Total Households 5,860
Average Household Size 2.74
Family Households 4,447
Average Family Size 3


Total Housing Units 6,343 (100%)
Owner Occupied HU 4,428 (69.8%)
Renter Occupied HU 1,433 (22.6%)
Vacant Housing Units 483 ( 7.6%)
Median Home Value $691,712
Average Home Value $726,632


Median Household Income $137,011
Average Household Income $175,909
Per Capita Income $63,328
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.5% 0.44%
Households 0.54% 0.48%
Families 0.5% 0.45%
Median Household Income   2.65%
Per Capita Income   3.25%
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.


Port Washington, NY - Peer Comparisons by Rank and Percentile

The table below compares Port Washington 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 # 115 90th
Population Density1 # 192 84th
Diversity Index2 # 181 85th
Median Household Income # 78 94th
Per Capita Income # 94 92nd

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