Centerport, NY 11721 ZIP Code Profile

Related Place Profiles:
Centerport, NY

ZIP Code 11721: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Centerport, NY 11721

Not Acceptable, USPS
Center Port, NY 11721

  • ZIP Code Type: STANDARD
  • County: Suffolk County
  • Centroid: Latitude 40.89, Longitude -73.373
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 174
  • PO Box Addresses: 177
  • Residential Addresses: 2,310
    • Multi-Family Addresses: 4
    • Single Family Addresses: 2,306

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


11721 ZIP Code Map

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Centerport, NY 11721 Data & Demographics (As of July 1, 2017)


Total Population 6,049
Daytime Population: Workers 1,116
Daytime Population: Residents 2,895
Total Daytime Population (TDP) 4,011
Ratio TDP/Total Population1 0.66
Population in Households 6,048
Population in Familes 5,292
Population in Group Qrtrs 1
Population Density2 2,441
Diversity Index3 18


Median Household Income $118,293
Average Household Income $162,202
Per Capita Income $59,425


Total Housing Units 2,366 (100%)
Owner Occupied HU 2,007 (84.8%)
Renter Occupied HU 209 ( 8.8%)
Vacant Housing Units 150 ( 6.3%)
Median Home Value $636,882
Average Home Value $677,055


Total Households 2,216
Average Household Size 2.73
Family Households 1,684
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 -0.23% -0.03%
Households -0.31% -0.07%
Families -0.39% -0.12%
Median Household Income   1.32%
Per Capita Income   1.89%

Centerport, NY 11721 - Peer Comparisons by Rank and Percentile

The table below compares 11721 to the other 1,745 ZIP Codes 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 # 673 61st
Population Density # 406 77th
Diversity Index # 968 45th
Median Household Income # 92 95th
Per Capita Income # 117 93rd

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

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