Ronkonkoma

County:: Suffolk County
County Seat:: No
Area (mi²):: 8.108
State:: New York

Ronkonkoma is a CDP located in Suffolk County, New York. Ronkonkoma has a 2025 population of 18,777. Ronkonkoma is currently declining at a rate of -0.11% annually and its population has decreased by -0.93% since the most recent census, which recorded a population of 18,953 in 2020.

The average household income in Ronkonkoma is $139,477 with a poverty rate of 3.2%. The median age in Ronkonkoma is 37.9 years: 36.9 years for males, and 40 years for females.

Demographics

The racial composition of Ronkonkoma includes 74.08% White, 6.79% Asian, 5.34% other race, 5.15% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	13,607	74.08%
Two or more races	1,555	8.47%
Asian	1,248	6.79%
Other race	981	5.34%
Black or African American	946	5.15%
Native American	31	0.17%
Native Hawaiian or Pacific Islander	0	0%

Ronkonkoma Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Ronkonkoma's average per capita income is $60,957. Household income levels show a median of $125,534. The poverty rate stands at 3.2%.

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	$147,293	-
Families	$136,540	$153,246
Households	$125,534	$139,477
Non Families	$73,784	$82,727

$60,957

Average Income

$125,534

Median Household Income

3.2%

Poverty Rate