Mastic Beach, NY 11951 ZIP Code Profile

Related Place Profiles:
Mastic Beach, NY | Old Mastic, NY

ZIP Code 11951: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Mastic Beach, NY 11951

Not Acceptable, USPS
Old Mastic, NY 11951
Village Of Mastic Beach, NY 11951

  • ZIP Code Type: STANDARD
  • County: Suffolk County
  • Centroid: Latitude 40.765, Longitude -72.844
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 183
  • PO Box Addresses: 351
  • Residential Addresses: 4,759
    • Multi-Family Addresses: 0
    • Single Family Addresses: 4,759

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. 11951 2018 Demographic Data
  2. Growth Rates for 11951 (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.


Mastic Beach, NY 11951 Data & Demographics (As of July 1, 2018)


Total Population 13,764
Population in Households 13,739
Population in Familes 11,663
Population in Group Qrtrs 25
Population Density2 1,635
Diversity Index3 61


Median Household Income $70,854
Average Household Income $89,468
Per Capita Income $29,035


Total Housing Units 5,147 (100%)
Owner Occupied HU 3,365 (65.4%)
Renter Occupied HU 1,093 (21.2%)
Vacant Housing Units 689 (13.4%)
Median Home Value $241,079
Average Home Value $274,740


Total Households 4,458
Average Household Size 3.08
Family Households 3,332
Average Family Size 4
  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 0.23% 0.23%
Households 0.13% 0.14%
Families 0.02% 0.08%
Median Household Income   2.43%
Per Capita Income   3.21%

Mastic Beach, NY 11951 - Peer Comparisons by Rank and Percentile

The table below compares 11951 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 # 433 75th
Population Density # 469 73rd
Diversity Index # 268 85th
Median Household Income # 557 68th
Per Capita Income # 1012 42nd

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