Ronkonkoma Flag

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.

18.8K
Total Population
2,316
Density (mi²)
-20 -0.11%
Growth

Ronkonkoma Population

Ronkonkoma Population

Data after 2023 is projected based on recent change

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

White (74.1%)

Two or more races (8.5%)

Asian (6.8%)

Other race (5.3%)

Black or African American (5.1%)

Native American (0.2%)

Race
Population
Percentage (of total)
White13,60774.08%
Two or more races1,5558.47%
Asian1,2486.79%
Other race9815.34%
Black or African American9465.15%
Native American310.17%

Ronkonkoma Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)