Mastic Beach, NY 11951 ZIP Code Profile

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

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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
  • Businesses Addresses: 184
  • Single Family Addresses: 4,746
  • Multi-Family Addresses: 0
  • County: Suffolk County
  • Centroid: Latitude 40.765, Longitude -72.844
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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11951 ZIP Code Map

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Mastic Beach, NY 11951 Data & Demographics (As of July 1, 2017)


Total Population 14,511
Daytime Population: Workers 813
Daytime Population: Residents 7,375
Total Daytime Population (TDP) 8,188
Ratio TDP/Total Population1 0.56
Population in Households 14,485
Population in Familes 12,260
Population in Group Qrtrs 26
Population Density2 1,561
Diversity Index3 60


Median Household Income $69,100
Average Household Income $85,368
Per Capita Income $27,613


Total Housing Units 5,347 (100%)
Owner Occupied HU 3,517 (65.8%)
Renter Occupied HU 1,167 (21.8%)
Vacant Housing Units 663 (12.4%)
Median Home Value $236,580
Average Home Value $266,271


Total Households 4,684
Average Household Size 3.09
Family Households 3,515
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 0.51% 0.5%
Households 0.43% 0.42%
Families 0.32% 0.36%
Median Household Income   1.75%
Per Capita Income   2.34%

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

The table below compares 11951 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 # 419 76th
Population Density # 479 73rd
Diversity Index # 275 84th
Median Household Income # 523 70th
Per Capita Income # 1025 41st

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