East Northport, NY 11731 ZIP Code Profile

Related Place Profiles:
East Northport, NY | Elwood, NY

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ZIP Code 11731: Basic Data & USPS Preferred City Name

Preferred Name, USPS
East Northport, NY 11731

Acceptable Alternative
E Northport, NY 11731
Elwood, NY 11731

  • ZIP Code Type: STANDARD
  • County: Suffolk County
  • Centroid: Latitude 40.864, Longitude -73.318
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 826
  • PO Box Addresses: 421
  • Residential Addresses: 9,773
    • Multi-Family Addresses: 31
    • Single Family Addresses: 9,742

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 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.


11731 ZIP Code Map

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East Northport, NY 11731 Data & Demographics (As of July 1, 2017)


Total Population 30,544
Daytime Population: Workers 7,538
Daytime Population: Residents 14,943
Total Daytime Population (TDP) 22,481
Ratio TDP/Total Population1 0.74
Population in Households 30,473
Population in Familes 27,337
Population in Group Qrtrs 71
Population Density2 3,614
Diversity Index3 32


Median Household Income $111,502
Average Household Income $141,023
Per Capita Income $47,565


Total Housing Units 10,576 (100%)
Owner Occupied HU 8,979 (84.9%)
Renter Occupied HU 1,307 (12.4%)
Vacant Housing Units 290 ( 2.7%)
Median Home Value $484,840
Average Home Value $527,180


Total Households 10,286
Average Household Size 2.96
Family Households 8,211
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 0.16% 0.26%
Households 0.08% 0.2%
Families -0.02% 0.14%
Median Household Income   1.5%
Per Capita Income   2.23%

East Northport, NY 11731 - Peer Comparisons by Rank and Percentile

The table below compares 11731 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 # 207 88th
Population Density # 333 81st
Diversity Index # 640 63rd
Median Household Income # 121 93rd
Per Capita Income # 215 88th

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

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