PlainZIP

Hauppauge, NY · standard

ZIP Code 11788

Suffolk County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

16,821
755/sq mi
$149,726
Median income
$653,900
Median home value
50.5%
Bachelor's or higher

The verdict

Hauppauge pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 4%
household income, US ZIPs
Top 7%
home value, US ZIPs
755
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11788 against every reporting US ZIP.

ZIP code 11788 is a mid-sized community (a standard USPS delivery area) in Hauppauge, Suffolk County, New York, home to 16,821 residents across 22.3 square miles, a density of 755 people per square mile, in the New York time zone.

ZIP 11788 skews affluent, with a median household income of $149,726 (62% above the New York average), while per-capita income is $61,757. Poverty here runs at 5.1%, with unemployment measured at 5.8%. The typical home here is valued at $653,900 (73% above the state average); renters pay a median of $2,659 monthly, and 83.3% of units are owner-occupied.

This is a highly-educated ZIP: 50.5% of adults hold a bachelor's degree or higher, the median age is 42.7, and the average commute is 30 minutes. To put 11788 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Suffolk County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 11788

Top 5 sectors by establishment count in Hauppauge, NY

Which industries have the most business establishments in ZIP 11788.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 11788, Hauppauge, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

16,821

Population

22.3

Area (sq mi)

755

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 11788?

42.7

Median Age

50.1%

Male

49.9%

Female

12.0%

Foreign-Born

White 74.7%
African American 1.7%
Asian 10.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.2%
Hispanic or Latino 10.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$149,726

Median Household Income

+62% vs state

$61,757

Per Capita Income

5.1%

Poverty Rate

5.8%

Unemployment Rate

29.6 min

Mean Commute Time

How ZIP 11788 ranks nationally

Hauppauge, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$149,726 Top 4% higher than 96% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.7%
Bachelor's Degree or Higher 50.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

5,847

Total Housing Units

5,613

Occupied Units

234

Vacant Units

3.07

Avg Household Size

Occupancy Type

Owner 83.3%
Renter 16.7%

$653,900

Median Home Value

+73% vs state

$2,659

Median Rent

1969

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.1%

YoY Change (2024)

274

HPI Index (2000 = 100)

+174%

Total Change Since 2000

Home values in ZIP 11788 have increased 5.1% over the past year (2024). Since 2000, this ZIP has seen +174% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.3% 196
2021 +9.7% 215
2022 +8.5% 233
2023 +12.0% 261
2024 +5.1% 274

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,490 business establishments in ZIP 11788, employing approximately 38,054 people with a combined annual payroll of $2,956,697,000.

1,490

Businesses

38,054

Employees

$3.0B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 273 18.3%
Wholesale trade 190 12.8%
Finance and insurance 149 10.0%
Health care and social assistance 138 9.3%
Manufacturing 116 7.8%
Construction 115 7.7%
Retail trade 92 6.2%
Accommodation and food services 92 6.2%
Administrative and support and waste management and remediation services 70 4.7%
Other services (except public administration) 67 4.5%
Real estate and rental and leasing 62 4.2%
Transportation and warehousing 43 2.9%
Management of companies and enterprises 22 1.5%
Arts, entertainment, and recreation 22 1.5%
Information 21 1.4%
Educational services 14 0.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 11788 vs 11787 →

ZIP 11788 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 11788 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 11788 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 11788 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
11787 Smithtown, NY 35,772 2.4 mi
11722 Central Islip, NY 35,177 2.6 mi
11749 Islandia, NY 3,345 2.4 mi
11717 Brentwood, NY 60,745 3.1 mi
11751 Islip, NY 14,961 6.1 mi
11725 Commack, NY 29,150 3.9 mi
11767 Nesconset, NY 14,530 4.0 mi
11752 Islip Terrace, NY 9,531 4.7 mi
11779 Ronkonkoma, NY 38,421 5.1 mi
11754 Kings Park, NY 18,958 5.1 mi

More ZIP Codes in Suffolk County

11746 standard
Huntington Station, NY
Pop: 67,094
11706 standard
Bay Shore, NY
Pop: 62,543
11717 standard
Brentwood, NY
Pop: 60,745
11757 standard
Lindenhurst, NY
Pop: 45,700
11772 standard
Patchogue, NY
Pop: 44,837
11743 standard
Huntington, NY
Pop: 42,230

Related Areas

Suffolk County Hauppauge, NY New York

Frequently Asked Questions

What county is ZIP code 11788 in? ▼
ZIP code 11788 (Hauppauge) is located in Suffolk County, New York. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ny.
What is the population of ZIP code 11788? ▼
ZIP code 11788 in Hauppauge, NY has a population of 16,821 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11788? ▼
The median household income in ZIP 11788 is $149,726, which is 96% above the national average of $76,288.
What is the average home value in ZIP 11788? ▼
The median home value in ZIP 11788 is $653,900, which is 135% above the national average of $278,155.
What is the demographic makeup of ZIP 11788? ▼
The largest racial group in ZIP 11788 is White at 74.7%. Hispanic or Latino residents make up 10.1% of the population.
How many businesses are in ZIP code 11788? ▼
ZIP code 11788 has 1,490 business establishments employing approximately 38,054 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11788? ▼
The top industries by establishment count in ZIP 11788 are: Professional, scientific, and technical services (273), Wholesale trade (190), Finance and insurance (149). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 11788? ▼
According to the FHFA House Price Index, home values in ZIP 11788 increased by 5.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 174%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 11788? ▼
In ZIP code 11788, 69.7% of residents aged 25+ have a high school diploma or higher, and 50.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 11788? ▼
The mean commute time for workers in ZIP code 11788 is 29.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 11788? ▼
In ZIP code 11788, approximately 83.3% of occupied housing units are owner-occupied and 16.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11788? ▼
The poverty rate in ZIP code 11788 is 5.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.