Saint James, NY 11780 ZIP Code Profile


ZIP Code 11780: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint James, NY 11780

Not Acceptable, USPS
Box Hill, NY 11780
Deer Wells, NY 11780
Flowerfield, NY 11780
Head of the Harbor, NY 11780
Nissequogue, NY 11780
St James, NY 11780

  • ZIP Code Type: STANDARD
  • County: Suffolk County
  • Centroid: Latitude 40.891, Longitude -73.169
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 646
  • PO Box Addresses: 400
  • Residential Addresses: 5,507
    • Multi-Family Addresses: 98
    • Single Family Addresses: 5,409

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

Jump to... (On This Page!)
  1. 11780 2018 Demographic Data
  2. Growth Rates for 11780 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New York Research Tools (Easy Tools & Current Data)
  3. New York Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Saint James, NY 11780 Data & Demographics (As of July 1, 2018)


Total Population 15,793
Population in Households 15,150
Population in Familes 13,322
Population in Group Qrtrs 643
Population Density2 1,376
Diversity Index3 25


Median Household Income $118,599
Average Household Income $165,106
Per Capita Income $56,531


Total Housing Units 5,663 (100%)
Owner Occupied HU 4,713 (83.2%)
Renter Occupied HU 571 (10.1%)
Vacant Housing Units 379 ( 6.7%)
Median Home Value $596,044
Average Home Value $732,410


Total Households 5,284
Average Household Size 2.87
Family Households 3,961
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.31% 0.28%
Households 0.16% 0.17%
Families 0.05% 0.1%
Median Household Income   1.94%
Per Capita Income   2.2%

Saint James, NY 11780 - Peer Comparisons by Rank and Percentile

The table below compares 11780 to the other 1,740 ZIP Codes in New York by rank and percentile using July 1, 2018 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 # 395 77th
Population Density # 507 71st
Diversity Index # 792 55th
Median Household Income # 106 94th
Per Capita Income # 150 91st

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

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