Lake Ronkonkoma, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lake Ronkonkoma, New York is 18,289 as of the 2023 American Community Survey, making it the 98th-largest city in New York. The median household income is $102,608, the median home value is $484,700, and the median age is 43.1.
18,289
Population
4032
People / sq mi
$102,608
Median Income
$484,700
Median Home Value
Lake Ronkonkoma covers 4.5 sq mi of land at 4032 people per square mile.
About Lake Ronkonkoma, NY
Lake Ronkonkoma is a city in New York with a population of 18,289. It ranks #98 among cities in New York by population. The median age is 43.1, older than the national median. The population is 48.7% male and 51.3% female.
The median household income in Lake Ronkonkoma is $102,608, above the US median of $74,580. 5.1% of residents live below the federal poverty level. Home values sit at a median of $484,700, with monthly rent averaging $1,906. The homeownership rate of 70.3% is higher than the national rate of 64.8%.
Educational attainment in Lake Ronkonkoma reflects 31.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 29.3 minutes each way.
Race & Ethnicity
| White | 78.1% |
| Black or African American | 3.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$102,608
Median Household Income
$47,691
Per Capita Income
5.1%
Poverty Rate
4.4%
Unemployment Rate
Housing
$484,700
Median Home Value
$1,906
Median Rent
70.3%
Owner-Occupied
Education
92.9%
High School+
31.9%
Bachelor's+
Commute
3.9%
Drive Alone
77.4%
Public Transit
9.7%
Work From Home
29.3 min
Avg Commute
Community Profile
3.9%
Foreign Born
79.1%
Non-English at Home
4.4%
Veterans
12.0%
With Disability
95.8%
Health Insurance
95.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.4% |
| Finance, Insurance & Real Estate | 9.9% |
| Information | 8.7% |
| Education, Health Care & Social Services | 7.1% |
| Retail Trade | 6.9% |
| Manufacturing | 6.6% |
| Construction | 5.5% |
| Public Administration | 5.1% |
| Arts, Entertainment & Food Services | 3.8% |
| Transportation & Warehousing | 2.4% |
| Agriculture & Mining | 0.1% |
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Frequently Asked Questions
Lake Ronkonkoma, New York has a population of 18,289 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 98th-largest city in New York.
The median household income in Lake Ronkonkoma, New York is $102,608, with 5.1% of residents living below the federal poverty level.
The median home value in Lake Ronkonkoma, New York is $484,700, with median monthly rent at $1,906 and a homeownership rate of 70.3%.
The median age in Lake Ronkonkoma, New York is 43.1 years. The population is 48.7% male and 51.3% female.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.