Saint James, NY 11780 ZIP Code Profile


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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
  • Businesses Addresses: 677
  • Single Family Addresses: 5,396
  • Multi-Family Addresses: 98
  • County: Suffolk County
  • Centroid: Latitude 40.891, Longitude -73.169
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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11780 ZIP Code Map

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Saint James, NY 11780 Data & Demographics (As of July 1, 2017)


Total Population 15,702
Daytime Population: Workers 5,322
Daytime Population: Residents 8,100
Total Daytime Population (TDP) 13,422
Ratio TDP/Total Population1 0.85
Population in Households 15,062
Population in Familes 13,206
Population in Group Qrtrs 640
Population Density2 1,351
Diversity Index3 25


Median Household Income $115,036
Average Household Income $159,609
Per Capita Income $55,043


Total Housing Units 5,608 (100%)
Owner Occupied HU 4,698 (83.8%)
Renter Occupied HU 590 (10.5%)
Vacant Housing Units 320 ( 5.7%)
Median Home Value $568,502
Average Home Value $657,269


Total Households 5,288
Average Household Size 2.85
Family Households 3,965
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 0.37% 0.39%
Households 0.27% 0.3%
Families 0.15% 0.23%
Median Household Income   1.35%
Per Capita Income   1.75%

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

The table below compares 11780 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 # 397 77th
Population Density # 510 71st
Diversity Index # 797 54th
Median Household Income # 106 94th
Per Capita Income # 143 92nd

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

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