ZIP Code Tabulation Area · New York

ZIP Code 11951: Mastic Beach, NY

ZIP Code 11951 (Mastic Beach, Suffolk County, New York) has an estimated 15,938 residents in 5,050 households. The median household income is $110,862, the median home value is $355,400 and the median gross rent is $2,422/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

15,938

Margin of error ±1,963

Median household income

$110,862

Margin of error ±$14,980

Median home value

$355,400

Margin of error ±$18,170

Median gross rent

$2,422/mo

Margin of error ±$171

Median age

35.6 yrs

Margin of error ±3.8 yrs

Mean travel time to work

37.0 min

Margin of error ±6.8 min

How ZIP 11951 compares with New York and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 1195135.6 yrsNew York39.8 yrsUnited States38.9 yrs

Median household income

ZIP 11951$110,862New York$85,974United States$80,734

Per capita income

ZIP 11951$36,849New York$50,712United States$44,673

Poverty rate

ZIP 1195121.8%New York14.0%United States12.5%

Unemployment rate

ZIP 119514.7%New York6.4%United States5.2%

Bachelor's degree or higher

ZIP 1195124.0%New York40.2%United States35.7%

Median home value

ZIP 11951$355,400New York$423,800United States$332,700

Median gross rent

ZIP 11951$2,422/moNew York$1,621/moUnited States$1,413/mo

Owner-occupied homes

ZIP 1195180.6%New York54.3%United States65.2%

Mean travel time to work

ZIP 1195137.0 minNew York32.6 minUnited States26.4 min

Worked from home

ZIP 119516.9%New York14.9%United States15.1%

All figures for ZIP 11951

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 11951 — ACS 2020–2024 5-year estimates
MeasureZIP 11951Margin of errorNew YorkUnited States
Total population15,938±1,96319,852,366334,922,499
Median age35.6 yrs±3.8 yrs39.8 yrs38.9 yrs
Households5,050±4707,722,646129,227,496
Median household income$110,862±$14,980$85,974$80,734
Per capita income$36,849±$3,995$50,712$44,673
Poverty rate21.8%±5.7 pts14.0%12.5%
Unemployment rate4.7%±1.9 pts6.4%5.2%
Bachelor's degree or higher24.0%±5.1 pts40.2%35.7%
Median home value$355,400±$18,170$423,800$332,700
Median gross rent$2,422/mo±$171$1,621/mo$1,413/mo
Owner-occupied homes80.6%±6.9 pts54.3%65.2%
Mean travel time to work37.0 min±6.8 min32.6 min26.4 min
Worked from home6.9%±2.5 pts14.9%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 11951
GroupZIP 11951New YorkUnited States
White alone, not Hispanic or Latino63.0%52.8%57.4%
Black or African American alone, not Hispanic or Latino12.5%13.4%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino3.0%9.0%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino0.1%1.0%0.6%
Two or more races, not Hispanic or Latino5.6%3.8%4.3%
Hispanic or Latino (of any race)15.8%19.8%19.3%

Where ZIP 11951 is

State
New York
Main county
Suffolk County
Largest overlapping place
Mastic Beach (100% of the ZIP's land area)
Land area
4.80 sq mi· about 3,320 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Suffolk County

11937 Northwest Harbor, NY11939 East Marion, NY11940 East Moriches, NY11941 Eastport, NY11942 East Quogue, NY11944 Greenport West, NY11946 Hampton Bays, NY11947 Jamesport, NY11948 Laurel, NY11949 Manorville, NY11950 Mastic, NY11952 Mattituck, NY11953 Middle Island, NY11954 Montauk, NY11955 Moriches, NY11956 New Suffolk, NY11957 Orient, NY11958 Peconic, NY11959 Quogue, NY11960 Remsenburg-Speonk, NY11961 Ridge, NY11962 Sagaponack, NY11963 Noyack, NY11964 Shelter Island, NY

See every ZIP code in New York, or compare ZIP 11951 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.