Lake Grove, NY demographics:
population, income, and more

Total population
11,061
0.1% year-over-year change
Median household income
$118,311/yr
-1.0% year-over-year change
Housing units
3,843
-0.3% year-over-year change

Lake Grove population

How many people live in Lake Grove

Lake Grove is home to 11,061 residents, according to the most recent Census data. Gender-wise, 51.8% of Lake Grove locals are male, and 48.2% are female.

Total population
11,061
0.1% year-over-year change
Gender ratio
Male
51.8%
5,731
Female
48.2%
5,330
Value Percent YoY change
Male 5,731 51.8% -0.5%
Female 5,330 48.2% 0.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Lake Grove is 40, with the population distributed as follows: about 18.3% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 22% of the population, while another 28.3% fall into the 45 to 64 bracket. Finally, around 17.6% are 65 or older.

Median age
40.1
Age breakdown
Under 15
18.3%
15 to 24
13.8%
25 to 44
22%
45 to 64
28.3%
Over 65
17.6%
Value Percent YoY change
Under 15 2,021 18.3% 0.7%
15 to 24 1,531 13.8% 3.7%
25 to 44 2,428 22% 2.9%
45 to 64 3,135 28.3% -5.6%
Over 65 1,946 17.6% 3.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Lake Grove, 83.9% of the population are US-born citizens, while 11.4% have gained naturalized citizenship. At the same time, 4.7% of residents are non-citizens. As for race, 73.7% of locals are Caucasian, 1.4% are African American and 11% have Asian roots. There’s also a share of 10.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
83.9%
Non-U.S.-born citizens
11.4%
Non-citizens
4.7%
Value Percent YoY change
U.S.-born citizens 9,276 83.9% 2.2%
Non-U.S.-born citizens 1,263 11.4% -6.0%
Non-citizens 522 4.7% -16.6%
Racial breakdown
White
73.7%
Black or African American
1.4%
American Indian and Alaska Native
0.1%
Asian
11%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.2%
Other
3.6%
Value Percent
White 8,154 73.7%
Black or African American 150 1.4%
American Indian and Alaska Native 13 0.1%
Asian 1,214 11%
Two or more races 1,133 10.2%
Other 397 3.6%

Households in Lake Grove

A peek inside Lake Grove households

Lake Grove has 3,775 households, with an average of 3 members in each. Of these, 71.8% are families, while the remaining 28.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,775
0.4% year-over-year change
Average people per household
3
Non-family households
1,065
Family households
2,710
Value Percent YoY change
Non-family households 1,065 28.2% 8.9%
Family households 2,710 71.8% -2.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Lake Grove

The housing landscape of Lake Grove

Lake Grove's housing consists of 3,843 units, with 79% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3% and offer a more compact, shared living style.

Housing units
3,843
-0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 3,038 79%
1 unit, attached 117 3%
2 units 9 0.2%
3 or 4 units 77 2%
5 to 9 units 304 7.9%
10 to 19 units 142 3.7%
20 to 49 units 23 0.6%
50 or more units 133 3.5%
Homes built since 2020
25
13.6% year-over-year change

The age of buildings in Lake Grove

In Lake Grove, the median construction year is 1970. About 5.3% of homes were built before the 1940s, with another 1.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 10.3% of homes were added from 2000 to 2009, 5.5% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 205 5.3% 10.2%
Built between 1940 and 1949 68 1.8% -27.7%
Built between 1950 and 1959 532 13.8% -16.5%
Built between 1960 and 1969 1,167 30.4% 7.5%
Built between 1970 and 1979 787 20.5% 9.0%
Built between 1980 and 1989 233 6.1% 15.9%
Built between 1990 and 1999 220 5.7% -22.5%
Built between 2000 and 2009 396 10.3% -7.5%
Built between 2010 and 2019 210 5.5% 8.2%
Built in 2020 or later 25 0.6% 13.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Lake Grove occupancy rates

Out of the 3,775 occupied housing units in Lake Grove, 77.3% are owner-occupied, while 22.7% are lived in by tenants. Meanwhile, 1.8% of all homes on the local market sit vacant.

Occupied housing units
3,775
0.4% year-over-year change
Occupancy breakdown
Renter occupied
858
Owner occupied
2,917
Value Percent YoY
change
Renter occupied 858 22.7% 7.7%
Owner occupied 2,917 77.3% -1.6%
Unoccupied housing units
1.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Lake Grove housing costs

Housing costs in Lake Grove come to a median of $2,497 per month, while tenants specifically pay a median gross rent of $2,184.

Median housing costs per month
$2,497/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Lake Grove
$2,184/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Lake Grove

Lake Grove education at a glance

About 33.4% of the population in Lake Grove went to high school, while 15% pursued college studies. Another 6.6% earned an associate degree and 25.7% hold a bachelor’s. Meanwhile, 17.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 168 2% 2.4%
High school diploma 2,866 33.4% 14.2%
College diploma 1,283 15% -2.5%
Associate degree 569 6.6% -10.4%
Bachelor's degree 2,204 25.7% -5.1%
Graduate degree 1,478 17.2% -7.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Lake Grove

How much people earn in Lake Grove

The average annual household income in Lake Grove was $143,556 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.5% change from the previous year. At the same time, the median income stood at $118,311, reflecting a -1% shift over the same period.

Average household income in Lake Grove
$143,556/year
-3.5% year-over-year change
Median household income in Lake Grove
$118,311/year
-1.0% year-over-year change

Lake Grove income by age

In Lake Grove, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $130,341. Those with someone between 45 and 64 in charge, often well established professionally, earn $130,074 overall. Overall, 92.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $130,341 -15.2%
45 - 64 $130,074 -2.9%
Over 65 $88,034 7.5%
Above poverty level
9,957
Below poverty level
836
Value Percent YoY
change
Above poverty level 9,957 92.2% -2.7%
Below poverty level 836 7.8% 27.6%

Employment in Lake Grove

Workforce and job types in Lake Grove

The job market in Lake Grove is powered by 5,139 working residents, spread across a range of industries and roles. 86.2% of the working population are employed in professional or administrative positions, while 13.8% are in hands-on or service-based jobs. Also, 9.8% run their own businesses, 64.2% are employed by private companies, and 19.4% work in the public sector.

Workforce demographics

Working population
5,139
-2.3% year-over-year change
White collar
4,429
Blue collar
710
Value Percent YoY change
White collar 4,429 86.2% -2.5%
Blue collar 710 13.8% -1.2%
Employer type
Self employees
9.8%
Private companies
64.2%
Governmental workers
19.4%
Not for profit companies
6.6%
Value Percent YoY change
Self employees 505 9.8% -4.4%
Private companies 3,299 64.2% -2.8%
Governmental workers 997 19.4% -2.5%
Not for profit companies 338 6.6% 7.6%
Unemployment rate
5.2%
-16.1% year-over-year change

Available workforce

The unemployment rate in Lake Grove stands at 5.2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Lake Grove

How people get around in Lake Grove

Commuting methods vary: 81.3% of residents travel by personal vehicle and 0.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 4,088 81.3% -7.8%
Bus or trolleybus 4 0.1% 0.0%
Subway or elevated 9 0.2% N/A
Railroad 204 4% 20.7%
Bicycle 42 0.8% N/A
Walk 10 0.2% -9.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Lake Grove by zipcode?

Zipcode Population Number of households Median income Average income
11755 12,144 4,085 $119,364 $147,342

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FAQs about Lake Grove demographics 

What is the total population of Lake Grove?

Lake Grove has a total population of 11,061 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.1% compared to a year ago.

What is the gender ratio in Lake Grove?

The gender ratio in Lake Grove is as follows:
  • 51.8% males (5,731 residents)
  • 48.2% females (5,330 residents)

What is the median age in Lake Grove?

The median age in Lake Grove is 40.1.

What is the age distribution of the population in Lake Grove?

The age distribution in Lake Grove is as follows:
  • Under 15: 18.3% (2,021 residents)
  • Ages 15-24: 13.8% (1,531 residents)
  • Ages 25-44: 22% (2,428 residents)
  • Ages 45-64: 28.3% (3,135 residents)
  • Over 65: 17.6% (1,946 residents)

What is the racial and ethnic makeup of Lake Grove?

The racial and ethnic makeup of Lake Grove is as follows:
  • White: 73.7% (8,154 residents)
  • Black or African American: 1.4% (150 residents)
  • American Indian and Alaska Native: 0.1% (13 residents)
  • Asian: 11% (1,214 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 10.2% (1,133 residents)
  • Other: 3.6% (397 residents)

What percentage of the population in Lake Grove are U.S.-born citizens?

U.S.-born citizens represent 83.9% of the population in Lake Grove.

How many housing units are there in Lake Grove?

There are 3,843 housing units in Lake Grove, reflecting a -0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Lake Grove and what is the average household size?

Lake Grove has a total of 3,775 households, with an average of 3 people in each.

What is the median household income in Lake Grove?

Lake Grove has a median household income of $118,311, representing a -1.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Lake Grove?

The employment rate is 94.8% in Lake Grove, with a workforce of 5,139 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 86.2% (4,429 residents)
  • Blue-collar workers: 13.8% (710 residents)

Places of employment:
  • Self-employed: 9.8% (505 residents)
  • Private companies: 64.2% (3,299 residents)
  • Governmental workers: 19.4% (997 residents)
  • Not-for-profit companies: 6.6% (338 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025