ZIP Code 11755

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Source:

Lake Grove · Suffolk County · New York

Population
12,387

1,473/sq mi

Median income
$119,364

▲ 56% vs US

higher than 90% of US ZIPs

Median home value
$601,600

▲ 116% vs US

higher than 91% of US ZIPs

Bachelor's or higher
45.2%

Median age 40.2

Land area
8.4 sq mi

New York

ZIP code 11755 in Lake Grove, New York has a population of 12,387. The median household income is $119,364, which is 56% above the national average. Median home value is $601,600, 116% above the US average. 45.2% of residents hold a bachelor's degree or higher.

ZIP code 11755 is classified by USPS as a standard delivery area and covers roughly 8.4 square miles in Lake Grove, Suffolk County, New York. The area is home to 12,387 residents, producing a population density of 1,473 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 11755 against New York and the nation.

On the economic side, the median household income for ZIP 11755 sits at $119,364 (29% above the New York average), while per-capita income is $50,381. The poverty rate stands at 7.4% and the unemployment rate at 5.4%. On housing, the median home value is $601,600 (59% above the state average) with median rent at $2,157 per month, and 78.5% of occupied units are owner-occupied, a direct signal of whether 11755 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 45.2% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is 38 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 11755 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 11755

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 11755.

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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 11755, Lake Grove, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

12,387

Population

8.4

Area (sq mi)

1,473

People / sq mi

New York

Time Zone

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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 11755?

40.2

Median Age

51.4%

Male

48.6%

Female

14.4%

Foreign-Born

White 74.6%
African American 1.7%
Asian 10.3%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.1%
Hispanic or Latino 11.2%

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?

$119,364

Median Household Income

+29% vs state

$50,381

Per Capita Income

7.4%

Poverty Rate

5.4%

Unemployment Rate

38.0 min

Mean Commute Time

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

What is the education profile here?

High School Graduate or Higher 75.0%
Bachelor's Degree or Higher 45.2%

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

What does housing look like?

4,153

Total Housing Units

4,085

Occupied Units

68

Vacant Units

2.95

Avg Household Size

Occupancy Type

Owner 78.5%
Renter 21.5%

$601,600

Median Home Value

+59% vs state

$2,157

Median Rent

1970

Median Year Built

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

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

+8.1%

YoY Change (2024)

290

HPI Index (2000 = 100)

+190%

Total Change Since 2000

Home values in ZIP 11755 have increased 8.1% over the past year (2024). Since 2000, this ZIP has seen +190% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.5% 195
2021 +10.9% 216
2022 +14.3% 247
2023 +8.6% 268
2024 +8.1% 290

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 413 business establishments in ZIP 11755, employing approximately 5,132 people with a combined annual payroll of $172,175,000.

413

Businesses

5,132

Employees

$172.2M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Retail trade 158 38.3%
Construction 45 10.9%
Professional, scientific, and technical services 39 9.4%
Accommodation and food services 36 8.7%
Health care and social assistance 30 7.3%
Other services (except public administration) 28 6.8%
Finance and insurance 15 3.6%
Wholesale trade 14 3.4%
Real estate and rental and leasing 11 2.7%
Administrative and support and waste management and remediation services 11 2.7%
Information 9 2.2%
Transportation and warehousing 8 1.9%
Arts, entertainment, and recreation 3 0.7%

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 11755 vs 11767 →

ZIP Code City Population Distance
11767 Nesconset, NY 14,530 1.7 mi
11720 Centereach, NY 29,189 2.0 mi
11779 Ronkonkoma, NY 38,421 3.1 mi
11790 Stony Brook, NY 18,511 3.4 mi
11794 Stony Brook, NY 3,165 3.9 mi
11780 Saint James, NY 15,524 3.6 mi
11784 Selden, NY 24,655 4.0 mi
11733 East Setauket, NY 18,949 5.5 mi
11716 Bohemia, NY 10,700 6.0 mi
11787 Smithtown, NY 35,772 4.9 mi

More ZIP Codes in Suffolk County

Frequently Asked Questions

What county is ZIP code 11755 in?
ZIP code 11755 (Lake Grove) 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 11755?
ZIP code 11755 in Lake Grove, NY has a population of 12,387 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11755?
The median household income in ZIP 11755 is $119,364, which is 56% above the national average of $76,288.
What is the average home value in ZIP 11755?
The median home value in ZIP 11755 is $601,600, which is 116% above the national average of $278,155.
What is the demographic makeup of ZIP 11755?
The largest racial group in ZIP 11755 is White at 74.6%. Hispanic or Latino residents make up 11.2% of the population.
How many businesses are in ZIP code 11755?
ZIP code 11755 has 413 business establishments employing approximately 5,132 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11755?
The top industries by establishment count in ZIP 11755 are: Retail trade (158), Construction (45), Professional, scientific, and technical services (39). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 11755?
According to the FHFA House Price Index, home values in ZIP 11755 increased by 8.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 190%. 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 11755?
In ZIP code 11755, 75.0% of residents aged 25+ have a high school diploma or higher, and 45.2% 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 11755?
The mean commute time for workers in ZIP code 11755 is 38.0 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 11755?
In ZIP code 11755, approximately 78.5% of occupied housing units are owner-occupied and 21.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11755?
The poverty rate in ZIP code 11755 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Lake Grove, NY

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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