PlainZIP

Lake Grove, NY · standard

ZIP Code 11755

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

12,387
1,473/sq mi
$119,364
Median income
$601,600
Median home value
45.2%
Bachelor's or higher

The verdict

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

Top 10%
household income, US ZIPs
Top 9%
home value, US ZIPs
1,473
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11755 against every reporting US ZIP.

ZIP code 11755 is a mid-sized community (a standard USPS delivery area) in Lake Grove, Suffolk County, New York, home to 12,387 residents across 8.4 square miles, a density of 1,473 people per square mile, in the New York time zone.

ZIP 11755 skews affluent, with a median household income of $119,364 (29% above the New York average), while per-capita income is $50,381. Poverty here runs at 7.4%, with unemployment measured at 5.4%. Median home value sits at $601,600 (59% above the state average), median rent at $2,157 a month, and owner-occupancy at 78.5%.

A solid share of residents have a four-year degree: 45.2% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is 38 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Suffolk County, letting you compare 11755 to its immediate surroundings rather than a national baseline alone.

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 11755

Top 5 sectors by establishment count in Lake Grove, NY

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.

Quick Facts

12,387

Population

8.4

Area (sq mi)

1,473

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 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

How ZIP 11755 ranks nationally

Lake Grove, NY household income vs. every US ZIP code

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

$119,364 Top 10% higher than 90% 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%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $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 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)

How have home values changed over time?

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 11755 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 11755 ranks #9 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 11755 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 11755 ranks #8 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
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

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 Lake Grove, NY New York

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.

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