ZIP Code Tabulation Area · New York

ZIP Code 11749: Islandia, NY

ZIP Code 11749 (Islandia, Suffolk County, New York) has an estimated 3,600 residents in 1,217 households. The median household income is $116,313, the median home value is $477,400 and the median gross rent is $2,019/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

Some estimates have a large margin of error. One figure for this ZIP (gross rent) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

3,600

Margin of error ±22

Median household income

$116,313

Margin of error ±$7,931

Median home value

$477,400

Margin of error ±$19,668

Median gross rent

$2,019/mo*

Margin of error ±$1,224· estimate has a large margin of error

Median age

43.3 yrs

Margin of error ±10.0 yrs

Mean travel time to work

30.3 min

Margin of error ±6.4 min

How ZIP 11749 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 1174943.3 yrsNew York39.8 yrsUnited States38.9 yrs

Median household income

ZIP 11749$116,313New York$85,974United States$80,734

Per capita income

ZIP 11749$46,560New York$50,712United States$44,673

Poverty rate

ZIP 117497.7%New York14.0%United States12.5%

Unemployment rate

ZIP 117495.5%New York6.4%United States5.2%

Bachelor's degree or higher

ZIP 1174932.5%New York40.2%United States35.7%

Median home value

ZIP 11749$477,400New York$423,800United States$332,700

Median gross rent

ZIP 11749$2,019/mo*New York$1,621/moUnited States$1,413/mo

Owner-occupied homes

ZIP 1174996.0%New York54.3%United States65.2%

Mean travel time to work

ZIP 1174930.3 minNew York32.6 minUnited States26.4 min

Worked from home

ZIP 117496.0%New York14.9%United States15.1%

All figures for ZIP 11749

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 11749 — ACS 2020–2024 5-year estimates
MeasureZIP 11749Margin of errorNew YorkUnited States
Total population3,600±2219,852,366334,922,499
Median age43.3 yrs±10.0 yrs39.8 yrs38.9 yrs
Households1,217±1787,722,646129,227,496
Median household income$116,313±$7,931$85,974$80,734
Per capita income$46,560±$5,292$50,712$44,673
Poverty rate7.7%±4.5 pts14.0%12.5%
Unemployment rate5.5%±3.4 pts6.4%5.2%
Bachelor's degree or higher32.5%±7.3 pts40.2%35.7%
Median home value$477,400±$19,668$423,800$332,700
Median gross rent$2,019/mo*±$1,224$1,621/mo$1,413/mo
Owner-occupied homes96.0%±6.0 pts54.3%65.2%
Mean travel time to work30.3 min±6.4 min32.6 min26.4 min
Worked from home6.0%±2.9 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 11749
GroupZIP 11749New YorkUnited States
White alone, not Hispanic or Latino29.1%52.8%57.4%
Black or African American alone, not Hispanic or Latino17.5%13.4%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino2.2%0.2%0.5%
Asian alone, not Hispanic or Latino6.3%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 Latino8.4%1.0%0.6%
Two or more races, not Hispanic or Latino4.4%3.8%4.3%
Hispanic or Latino (of any race)32.0%19.8%19.3%

Where ZIP 11749 is

State
New York
Main county
Suffolk County
Largest overlapping place
Islandia (100% of the ZIP's land area)
Land area
2.19 sq mi· about 1,644 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

11729 Deer Park, NY11730 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, NY11751 Islip, 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, NY

See every ZIP code in New York, or compare ZIP 11749 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.