Lake Ronkonkoma Flag

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.

17.9K
Total Population
3,943
Density (mi²)
-151 -0.84%
Growth

Lake Ronkonkoma Population

Lake Ronkonkoma Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

White (78.1%)

Two or more races (9.2%)

Asian (8.1%)

Black or African American (3.4%)

Other race (0.9%)

Native American (0.4%)

Race
Population
Percentage (of total)
White14,28078.08%
Two or more races1,6819.19%
Asian1,4798.09%
Black or African American6263.42%
Other race1570.86%
Native American660.36%

Lake Ronkonkoma Marital Status

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

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

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)