Postal Codes

11788 ZIP Code

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ZIP code 11788 covers Hauppauge, New York, with a population of about 17,092 and a median household income of $148,946.

Population
17,0921,987 per square mile
Median age
42.63.9 points above the US average
Median household income
$148,9461.8× the New York median
Poverty rate
4.5%7.9 points below the US average
Typical home value
$806,774up 37.6% in five years
Median rent
$2,6891.7× the New York median
Degree or higher
49.7%14.7 points above the US average
Homeownership
83.5%18.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
1,508

Where 11788 is

Hauppauge, New York — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population17,092
Median age42.6
Family households77.6%
Born outside the US11.9%
Speaks a language other than English at home14%
White (non-Hispanic)74.1%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)9.1%
Hispanic or Latino11.2%
Veterans3.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$148,946
Income per person$62,396
Poverty rate4.5%
Households on SNAP or cash assistance5.9%

Household income distribution

Under $10k1.2%
$10–15k1.6%
$15–20k1.2%
$20–25k1.5%
$25–30k1.0%
$30–35k1.1%
$35–40k1.6%
$40–45k1.7%
$45–50k1.5%
$50–60k3.4%
$60–75k6.0%
$75–100k10.7%
$100–125k6.8%
$125–150k11.3%
$150–200k15.4%
$200k or more34.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed8,930
Mean adjusted gross income$125,525
Returns declaring $200,000 or more15.9%
Returns, under $25k20.7%
Returns, $25k–$50k13.7%
Returns, $50k–$75k13.3%
Returns, $75k–$100k10.6%
Returns, $100k–$200k25.8%
Returns, $200k or more15.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$635,700
Median gross rent$2,689
Rent as a share of household income30.9%
Owner-occupied83.5%
Vacant homes4.1%
Median year built1969

What the homes are

Detached house78%
Attached house1.9%
2 to 4 units3.6%
5 to 19 units14.1%
20 or more units2.4%
Mobile home0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$806,774as of 2026-07
Typical home value, 1 yearup 6.3%
Typical home value, 5 yearsup 37.6%
Typical home value, 10 yearsup 70.9%
Typical asking rent$3,157as of 2026-07
Typical asking rent, 1 yearup 2.3%
Typical home value since 2000
200020132026$806,774$257,461

$257,461 in 2000 to $806,774 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher49.7%
High school diploma or higher92.9%
Works from home10%
Drives to work alone80.8%
Takes public transport4.1%
Commutes 45 minutes or more21.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity27.3% 6.1 pts below the national average of 33.4%
Diagnosed diabetes8.9% 3.1 pts below the national average of 12%
Currently smokes8.5% 4.7 pts below the national average of 13.2%
High blood pressure30.7% 3.4 pts below the national average of 34.1%
Fair or poor general health13.4% 6.9 pts below the national average of 20.3%
No health insurance (18–64)5% 6.3 pts below the national average of 11.3%
Depression16.2% 5.7 pts below the national average of 21.9%
No leisure-time physical activity21.1% 4.3 pts below the national average of 25.4%
Arthritis24% 1.1 pts below the national average of 25.1%
Binge drinking16.7% 0.7 pts above the national average of 16%
Taking blood pressure medication77.7% 3 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year82.1% 5.4 pts above the national average of 76.7%
Cholesterol screening91.3% 5.4 pts above the national average of 85.9%
Cognitive disability10% 4.8 pts below the national average of 14.8%
Colorectal screening68.2% 3.9 pts above the national average of 64.3%
COPD5% 1.6 pts below the national average of 6.6%
Visited a dentist69.6% 8.3 pts above the national average of 61.3%
Any disability24% 6.7 pts below the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity9.4% 7.7 pts below the national average of 17.1%
Received food stamps6.9% 7.4 pts below the national average of 14.3%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol39.6% 3.4 pts above the national average of 36.2%
Housing insecurity8.6% 5.2 pts below the national average of 13.8%
Independent living disability5.8% 2.6 pts below the national average of 8.4%
Lacks transport5.3% 3.9 pts below the national average of 9.2%
Loneliness28.4% 6 pts below the national average of 34.4%
Mammography use79.5% 3.6 pts above the national average of 75.9%
Poor mental health (14+ days)13.7% 3.1 pts below the national average of 16.8%
Mobility disability10.8% 3.2 pts below the national average of 14%
Poor physical health (14+ days)11% 2.5 pts below the national average of 13.5%
Self-care disability2.6% 1.4 pts below the national average of 4%
Utility shut-off threat4.8% 4 pts below the national average of 8.8%
Sleeps under 7 hours36.9% 0.5 pts above the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost8.3% 4.7 pts below the national average of 13%
Vision disability3.4% 2.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,508
People employed37,288
Annual payroll$2,863,802,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 36% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss38.3 out of 100
Community resilience90.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane82.8Relatively Moderate at its worst in this ZIP code
Landslide75.5Very Low at its worst in this ZIP code
Earthquake73.3Relatively Moderate at its worst in this ZIP code
Winter weather70.9Relatively High at its worst in this ZIP code
Ice storm69.7Relatively Moderate at its worst in this ZIP code
Strong wind56.2Relatively Moderate at its worst in this ZIP code
River flooding47.5Relatively Moderate at its worst in this ZIP code
Lightning43.9Relatively Moderate at its worst in this ZIP code
Cold wave43.3Relatively Moderate at its worst in this ZIP code
Wildfire38.6Relatively Low at its worst in this ZIP code
Heat wave30.5Relatively Low at its worst in this ZIP code
Tornado30Relatively Low at its worst in this ZIP code
Hail17.2Very Low at its worst in this ZIP code
Compared with New York and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew YorkUnited States
Median household income$148,946$84,578$78,538
Income per person$62,396$49,520$43,289
Poverty rate4.5%13.7%12.4%
Median home value$635,700$403,000$303,400
Median gross rent$2,689$1,576$1,348
Homeownership83.5%54.3%65%
Bachelor's degree or higher49.7%39.6%35%
Unemployment rate5.3%6.2%5.2%
Works from home10%13.3%13.5%
Born outside the US11.9%22.6%13.9%
Median age42.639.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationISLIP LI MACARTHUR AP, NY US8.6 km away
Rain in a year46 in
Snow in a year32 in

Average high and low by month

January39.2°F / 24.6°F3.66 in rain, 10.3 in snow
February41°F / 25.5°F3.29 in rain, 9.4 in snow
March47.7°F / 32°F4.51 in rain, 6.5 in snow
April58.3°F / 41.2°F4.06 in rain, 0.6 in snow
May68.3°F / 50.8°F3.28 in rain
June77.2°F / 60.9°F4 in rain
July82.8°F / 67.3°F3.26 in rain
August81.4°F / 66°F4.24 in rain
September74.8°F / 58.9°F3.6 in rain
October64.1°F / 47.3°F3.97 in rain
November53.6°F / 37.6°F3.41 in rain, 0.5 in snow
December44.4°F / 29.8°F4.71 in rain, 4.5 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket97% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Hauppauge Union Free School District91.8% of this ZIP code's land area
Smithtown Central School District5.3% of this ZIP code's land area
Commack Union Free School District1.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status32more vulnerable than 32% of US census tracts
Household characteristics34more vulnerable than 34% of US census tracts
Racial and ethnic minority status41more vulnerable than 41% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability7.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

11749 Islandia, NY2.8 km away
11787 Smithtown, NY3.8 km away
11722 Central Islip, NY4.1 km away
11767 Nesconset, NY4.8 km away
11779 Ronkonkoma, NY5.7 km away
11717 Brentwood, NY6.6 km away
11780 Saint James, NY7.2 km away
11725 Commack, NY7.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Suffolk County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area8.6 sq mi
Population density1,987 people per sq mi
Latitude, longitude40.8231, -73.1958

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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