Lake Grove ZIP Code List — Suffolk County, NY

There is one unique ZIP code in Lake Grove, New York and it is 11755. Area code: 631.
1
ZIP codes
3.28
sq mi land
0.00
sq mi water
631
area code
Lake Grove, NY ZIP code map

About Lake Grove, NY

Lake Grove, NY is a quaint village located in Suffolk County on Long Island. It is known for its suburban charm and community-oriented atmosphere. This vibrant village combines residential living with proximity to various amenities and attractions.

Location & geography

Lake Grove is situated in the central part of Suffolk County, making it well-connected to other areas of Long Island. Nearby cities include Centereach, which is approximately 2 miles to the northwest, and Ronkonkoma, about 3 miles to the northeast. The village spans a land area of 3.28 square miles, with no water area, giving it a primarily terrestrial landscape.

Community & economy

The character of Lake Grove is marked by its family-friendly environment and a sense of community. Local industries primarily revolve around retail and services, with many residents commuting to nearby areas for work, contributing to daily life in the village. The presence of shopping centers, parks, and recreational facilities enhances the suburban lifestyle of its inhabitants.

Transportation

Lake Grove is serviced by several key highways, including the Long Island Expressway (I-495), providing convenient access to surrounding regions. The nearest named airport is Long Island MacArthur Airport, located about 5 miles to the east. Public transportation options, including bus services, also serve the area, making it accessible for residents and visitors alike.

History

Lake Grove was incorporated in 1961 and has since developed into a thriving community with a focus on residential living. The village initially grew around local farming and retail industries, and over the years, it has evolved into a suburban hub. Notable events in its development include the establishment of shopping centers that cater to both locals and visitors.

Did you know?

One surprising fact about Lake Grove is that it has a strong community spirit, evident in the numerous local events planned throughout the year. Additionally, the village is home to the expansive Smithhaven Mall, which acts as a major shopping and entertainment venue for residents and visitors.

ZIP codes for Lake Grove, NY (1)
ZIP code City County Map
11755 Lake Grove Suffolk View map

Demographics & statistics

12,227
Population
41.4
Median age
$121,196
Median household income
$49,887
Per capita income
$513,400
Median home value
$2,136
Median monthly rent
81.7%
Home ownership
5.3%
Poverty rate
4.9%
Unemployment
3,431
Housing units
47.8%
Bachelor's or higher

Age distribution

Male Female
243
Under 5
219
386
5–9
347
573
10–14
517
410
15–19
369
482
20–24
435
724
25–34
653
651
35–44
586
1,020
45–54
918
598
55–59
539
389
60–64
350
524
65–74
472
332
75–84
299
100
85+
91
← Male
Female →

Age summary

GroupCount%
Under 182,75122.5%
18 and over9,47677.5%
65 and over1,81814.9%
Median age41.4 years

Race & ethnicity

White 74.2%
Asian 8.2%
Hispanic or Latino 7%
Two or more races 5.8%
Other race 2.5%
Black or African American 2.1%
American Indian / Alaska Native 0.1%
GroupCount%
White9,76174.2%
Asian1,0818.2%
Hispanic or Latino9267%
Two or more races7575.8%
Other race3332.5%
Black or African American2822.1%
American Indian / Alaska Native130.1%

Household income

Under $10k 4.7%
$10k–$15k 2.4%
$15k–$25k 1.6%
$25k–$35k 3.7%
$35k–$50k 9.8%
$50k–$75k 8.4%
$75k–$100k 10.5%
$100k–$150k 18.9%
$150k–$200k 14.4%
$200k+ 25.6%
Range% of households
Under $10k4.7%
$10k–$15k2.4%
$15k–$25k1.6%
$25k–$35k3.7%
$35k–$50k9.8%
$50k–$75k8.4%
$75k–$100k10.5%
$100k–$150k18.9%
$150k–$200k14.4%
$200k+25.6%
Median income$121,196

Housing

Home values

Under $50k 1.3%
$50k–$100k 0.9%
$200k–$300k 3.2%
$300k–$500k 42.2%
$500k–$1M 50.8%
$1M+ 1.7%

Housing overview

MetricValue
Median home value$513,400
Median rent / month$2,136
Owner occupied81.7%
Renter occupied18.3%
Vacant1.9%
Single-family detached82.2%
Large apartment buildings4.2%
Mobile homes0.1%
Median rooms6.7
Avg household size (owned)3.25

Year built

Era%
2020 or later0.0%
2010–20194.5%
2000–20099.7%
1990–19998.3%
1980–19894.1%
1970–197923.3%
1960–196929.0%
1950–195913.2%
1940–19493.3%
1939 or earlier4.6%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom8.5%
2 bedrooms14.6%
3 bedrooms30.7%
4 bedrooms36.1%
5+ bedrooms7.9%

Vehicles per household

Vehicles% of households
No vehicle6.6%
1 vehicle23.1%
2 vehicles35.6%
3 or more34.7%

Heating fuel

Fuel type%
Utility gas42.5%
Electricity3.0%
Propane / LP gas0.9%
Fuel oil52.3%
Wood0.7%

Households & families

Household typeCount%
Married-couple family2,47360.3%
Cohabiting couple1583.9%
Male householder, no spouse70417.2%
Female householder, no spouse76518.7%
Households with children under 181,31632.1%
Households with seniors (65+)1,46035.6%
Average household size2.97

Marital status

StatusMaleFemale
Never married36.1%26.6%
Married52.3%54.4%
Separated0.4%1.2%
Widowed3.7%9.5%
Divorced7.5%8.3%

Education

Less than 9th grade 1.9%
Some HS, no diploma 3.0%
HS graduate 23.9%
Some college, no degree 14.9%
Associate's degree 8.5%
Bachelor's degree 27.4%
Graduate / professional 20.4%
Metric%
HS diploma or higher95.1%
Bachelor's or higher47.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1313.7%
Kindergarten1744.9%
Elementary school1,44740.6%
High school60617.0%
College / grad school1,20433.8%

Employment

Industry of employment

Education & healthcare 30.9%
Professional & management 12.1%
Retail trade 9.5%
Finance & real estate 8.7%
Arts, food & hospitality 7.0%
Construction 6.5%
Public administration 6.4%
Transportation & utilities 5.5%
Manufacturing 5.0%
Other services 3.6%
Wholesale trade 2.5%
Information 2.4%

Occupation

Category%
Management, business & arts48.2%
Service18.9%
Sales & office20.6%
Natural resources & construction6.9%
Production & transportation5.5%

Employment type

Type%
Private sector72.9%
Government19.5%
Self-employed7.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone75.6%
Carpool9.4%
Public transit7.0%
Walk0.2%
Other means0.4%
Avg commute (minutes)38.5

Poverty

All people 5.3%
Under 18 years 2.1%
18 and over 6.2%
Married-couple families 2.0%
Female-led households 4.6%

Income support

Source% of households
Social Security39.9%
Retirement income29.2%
Supplemental Security4.6%
Cash public assistance1.3%
Food stamps / SNAP5.4%

Health indicators

Condition%
High blood pressure25.9%
High cholesterol28.4%
Heart disease4.6%
Stroke2.1%
Asthma9.1%
Arthritis18.1%
Kidney disease2.2%
Pulmonary disease4.7%
Cancer6.2%
Behavior / access%
Binge drinking18.9%
No physical activity19.4%
Less than 7 hrs sleep33.4%
Fair or poor health8.9%
Poor mental health12.8%
Poor physical health7.5%
No health insurance9.0%
Visited doctor (checkup)77.6%
Visited dentist71.9%
Cholesterol screening92.1%
Teeth loss8.7%

Veterans & disability

VeteransCount%
Civilian veterans3153.3%
Disability%
Any disability10.5%
Under 186.2%
18–64 years8.1%
65 and over27.1%

Health insurance coverage

Type%
Private insurance84.4%
Public insurance23.2%
Uninsured under 192.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only11,76596.2%
Spanish3673.1%
Other Indo-European410.3%
Asian & Pacific Islander1251.1%
Other languages1561.3%

Place of birth & citizenship

OriginCount%
Native born (US)10,68387.4%
Born in same state10,58086.5%
Born in different state9,84180.5%
Foreign born1030.8%
Naturalized citizen1,54412.6%
Not a US citizen1,00365.0%

Ancestry

AncestryCount%
Italian2,78122.7%
Arab1,1659.5%
French4313.5%
Irish930.8%
Polish710.6%
AncestryCount%
Dutch400.3%
German220.2%
Norwegian100.1%
English80.1%

Technology access

Metric% of households
Computer access33.5%
Internet access97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What is the ZIP code for Lake Grove, NY?
Lake Grove, NY has one ZIP code: 11755.
What is the main ZIP code for Lake Grove, NY?
The primary ZIP code for Lake Grove, NY is 11755. The city uses area code 631 for phone service.
What county is Lake Grove, NY in?
Lake Grove is located in Suffolk County, New York.
How many ZIP codes are in Lake Grove, NY?
Lake Grove, NY has 1 ZIP code.
What is the ZIP code for Lake Grove village in Suffolk County?
Lake Grove is served by ZIP code 11755, which covers this residential community on Long Island.
If I'm mailing a package to an address near the Lake Grove Commons shopping area, what ZIP code should I use?
You should use ZIP code 11755, as all addresses in Lake Grove, including those near local shopping areas, fall within this single ZIP code.
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