Lake Ronkonkoma

County:: Suffolk County
County Seat:: No
Area (mi²):: 4.536
State:: New York

Lake Ronkonkoma is a CDP located in Suffolk County, New York. Lake Ronkonkoma has a 2025 population of 17,885. Lake Ronkonkoma is currently declining at a rate of -0.84% annually and its population has decreased by -3.61% since the most recent census, which recorded a population of 18,555 in 2020.

The average household income in Lake Ronkonkoma is $128,306 with a poverty rate of 8.54%. The median age in Lake Ronkonkoma is 43.1 years: 44.5 years for males, and 42 years for females.

Demographics

The racial composition of Lake Ronkonkoma includes 78.08% White, 8.09% Asian, 3.42% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	14,280	78.08%
Two or more races	1,681	9.19%
Asian	1,479	8.09%
Black or African American	626	3.42%
Other race	157	0.86%
Native American	66	0.36%
Native Hawaiian or Pacific Islander	0	0%

Lake Ronkonkoma Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Ronkonkoma's average per capita income is $64,343. Household income levels show a median of $102,608. The poverty rate stands at 8.54%.

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	$142,316	-
Families	$129,839	$149,872
Households	$102,608	$128,306
Non Families	$62,409	$86,469

$64,343

Average Income

$102,608

Median Household Income

8.54%

Poverty Rate