East Islip, NY 11730 ZIP Code Profile

Related Place Profiles:
East Islip, NY

ZIP Code 11730: Basic Data & USPS Preferred City Name

Preferred Name, USPS
East Islip, NY 11730

Not Acceptable, USPS
E Islip, NY 11730

  • ZIP Code Type: STANDARD
  • County: Suffolk County
  • Centroid: Latitude 40.729, Longitude -73.187
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 440
  • PO Box Addresses: 151
  • Residential Addresses: 4,875
    • Multi-Family Addresses: 125
    • Single Family Addresses: 4,750

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

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11730 ZIP Code Map

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East Islip, NY 11730 Data & Demographics (As of July 1, 2017)


Total Population 15,264
Daytime Population: Workers 4,170
Daytime Population: Residents 7,651
Total Daytime Population (TDP) 11,821
Ratio TDP/Total Population1 0.77
Population in Households 15,094
Population in Familes 13,576
Population in Group Qrtrs 170
Population Density2 2,045
Diversity Index3 27


Median Household Income $110,780
Average Household Income $136,326
Per Capita Income $45,509


Total Housing Units 5,192 (100%)
Owner Occupied HU 4,301 (82.8%)
Renter Occupied HU 755 (14.5%)
Vacant Housing Units 136 ( 2.6%)
Median Home Value $429,098
Average Home Value $502,773


Total Households 5,056
Average Household Size 2.99
Family Households 3,998
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 0.32% 0.39%
Households 0.26% 0.31%
Families 0.17% 0.26%
Median Household Income   1.38%
Per Capita Income   2.05%

East Islip, NY 11730 - Peer Comparisons by Rank and Percentile

The table below compares 11730 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 # 404 77th
Population Density # 438 75th
Diversity Index # 749 57th
Median Household Income # 127 93rd
Per Capita Income # 260 85th

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

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