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 2026 population of 17,858. Lake Ronkonkoma is currently declining at a rate of -0.8% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Lake Ronkonkoma is $101,633 with a poverty rate of 7.84%. The median age in Lake Ronkonkoma is 42.6 years: 42.8 years for males, and 42.2 years for females. For every 100 females there are 92.7 males.

17.9K
Total Population
3,937
Density (mi²)
-144 -0.8%
Growth

Lake Ronkonkoma Population

Lake Ronkonkoma Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617,858-144-0.8%
202518,002-143-0.79%

Median Age

Overall: 42.6 years
Female: 42.2 years
Male: 42.8 years

Lake Ronkonkoma Adults

There are 14,643 adults, (3,378 of whom are seniors) in Lake Ronkonkoma.

Sex Ratio

Female: 9,457 (51.9%)
Male: 8,764 (48.1%)

Demographics

The racial composition of Lake Ronkonkoma includes 75.22% White, 9.04% Asian, 3.79% Black or African American, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,70575.22%
Two or more races1,83510.07%
Asian1,6479.04%
Black or African American6903.79%
Other race2551.4%
Native American890.49%
Race
Population ↓
Percentage (of total)
White1,2166.67%
Two or more races1,0775.91%
Other race2551.4%
Black or African American790.43%
Native American720.4%
Race
Population ↓
Percentage (of total)
White12,48968.54%
Asian1,6479.04%
Two or more races7584.16%
Black or African American6113.35%
Native American170.09%

Lake Ronkonkoma Marital Status

Economics and Income Statistics

Lake Ronkonkoma 's average per capita income is $63,323. Household income levels show a median of $101,633. The poverty rate stands at 7.84%.

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$146,353-
Families$125,332$155,388
Households$101,633$128,678
Non Families$65,461$80,710

$63,323

Average Income

$101,633

Median Household Income

7.84%

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)