Lake Grove

County:: Suffolk County
County Seat:: No
Area (mi²):: 2.946
State:: New York

Lake Grove is a village located in Suffolk County, New York. Lake Grove has a 2025 population of 11,009. Lake Grove is currently declining at a rate of -0.05% annually and its population has decreased by -0.26% since the most recent census, which recorded a population of 11,038 in 2020.

The average household income in Lake Grove is $148,803 with a poverty rate of 6.1%. The median age in Lake Grove is 42.1 years: 39.8 years for males, and 44.9 years for females.

Demographics

The racial composition of Lake Grove includes 72.68% White, 12.08% Asian, 5.15% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	8,031	72.68%
Asian	1,335	12.08%
Two or more races	984	8.9%
Other race	569	5.15%
Black or African American	118	1.07%
Native American	13	0.12%
Native Hawaiian or Pacific Islander	0	0%

Lake Grove Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Grove's average per capita income is $66,273. Household income levels show a median of $119,558. The poverty rate stands at 6.1%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$155,625	-
Families	$142,095	$168,665
Households	$119,558	$148,803
Non Families	$45,781	$81,286

$66,273

Average Income

$119,558

Median Household Income

6.1%

Poverty Rate