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 and multiracial populations.

Population by Race

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%

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