ZIP Code Tabulation Area · New York

ZIP Code 11751: Islip, NY

ZIP Code 11751 (Islip, Suffolk County, New York) has an estimated 13,726 residents in 5,040 households. The median household income is $116,559, the median home value is $563,100 and the median gross rent is $2,257/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

13,726

Margin of error ±953

Median household income

$116,559

Margin of error ±$17,531

Median home value

$563,100

Margin of error ±$29,225

Median gross rent

$2,257/mo

Margin of error ±$108

Median age

45.6 yrs

Margin of error ±3.2 yrs

Mean travel time to work

27.5 min

Margin of error ±4.1 min

How ZIP 11751 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 1175145.6 yrsNew York39.8 yrsUnited States38.9 yrs

Median household income

ZIP 11751$116,559New York$85,974United States$80,734

Per capita income

ZIP 11751$51,520New York$50,712United States$44,673

Poverty rate

ZIP 117515.5%New York14.0%United States12.5%

Unemployment rate

ZIP 117515.6%New York6.4%United States5.2%

Bachelor's degree or higher

ZIP 1175135.7%New York40.2%United States35.7%

Median home value

ZIP 11751$563,100New York$423,800United States$332,700

Median gross rent

ZIP 11751$2,257/moNew York$1,621/moUnited States$1,413/mo

Owner-occupied homes

ZIP 1175183.4%New York54.3%United States65.2%

Mean travel time to work

ZIP 1175127.5 minNew York32.6 minUnited States26.4 min

Worked from home

ZIP 117519.1%New York14.9%United States15.1%

All figures for ZIP 11751

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 11751 — ACS 2020–2024 5-year estimates
MeasureZIP 11751Margin of errorNew YorkUnited States
Total population13,726±95319,852,366334,922,499
Median age45.6 yrs±3.2 yrs39.8 yrs38.9 yrs
Households5,040±4337,722,646129,227,496
Median household income$116,559±$17,531$85,974$80,734
Per capita income$51,520±$3,654$50,712$44,673
Poverty rate5.5%±2.1 pts14.0%12.5%
Unemployment rate5.6%±3.1 pts6.4%5.2%
Bachelor's degree or higher35.7%±3.7 pts40.2%35.7%
Median home value$563,100±$29,225$423,800$332,700
Median gross rent$2,257/mo±$108$1,621/mo$1,413/mo
Owner-occupied homes83.4%±6.2 pts54.3%65.2%
Mean travel time to work27.5 min±4.1 min32.6 min26.4 min
Worked from home9.1%±2.6 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 11751
GroupZIP 11751New YorkUnited States
White alone, not Hispanic or Latino71.9%52.8%57.4%
Black or African American alone, not Hispanic or Latino3.0%13.4%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino5.7%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 Latino0.0%1.0%0.6%
Two or more races, not Hispanic or Latino2.4%3.8%4.3%
Hispanic or Latino (of any race)16.9%19.8%19.3%

Where ZIP 11751 is

State
New York
Main county
Suffolk County
Largest overlapping place
Islip (100% of the ZIP's land area)
Land area
3.96 sq mi· about 3,466 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

11730 East Islip, NY11731 East Northport, NY11733 East Setauket, NY11735 East Farmingdale, NY11738 Farmingville, NY11739 Great River, NY11740 Greenlawn, NY11741 Holbrook, NY11742 Holtsville, NY11743 Lloyd Harbor, NY11746 Dix Hills, NY11747 Melville, NY11749 Islandia, NY11752 North Great River, NY11754 Kings Park, NY11755 Lake Grove, NY11757 Lindenhurst, NY11763 Medford, NY11764 Miller Place, NY11766 Mount Sinai, NY11767 Nesconset, NY11768 Fort Salonga, NY11769 Oakdale, NY11770 Fire Island, NY

See every ZIP code in New York, or compare ZIP 11751 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.