Ronkonkoma, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ronkonkoma, New York is 18,368 as of the 2023 American Community Survey, making it the 97th-largest city in New York. The median household income is $125,534, the median home value is $467,600, and the median age is 37.9.
18,368
Population
2265
People / sq mi
$125,534
Median Income
$467,600
Median Home Value
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Ronkonkoma covers 8.1 sq mi of land at 2265 people per square mile.
About Ronkonkoma, NY
Ronkonkoma is distinguished by its share of foreign-born residents, 7.2% of the population. Ronkonkoma is a city in New York with a population of 18,368.
Households take in a median $125,534, comfortably above the US median of $78,538. Very few residents live in poverty — 1.9%, below the national 12.4%. A typical home is worth $467,600, with typical rent around $2,275.
Degree attainment is mid-range for US cities: 34.5% of adults hold a four-year degree, near the national 35.0%. Just 7.7% of workers are home-based, below the national 14.0%, and the average commute runs about 32 minutes each way.
Race & Ethnicity
| White | 74.1% |
| Black or African American | 5.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Economy & Income
$125,534
Median Household Income
$46,515
Per Capita Income
1.9%
Poverty Rate
5.3%
Unemployment Rate
Housing
$467,600
Median Home Value
$2,275
Median Rent
80.5%
Owner-Occupied
Education
94.8%
High School+
34.5%
Bachelor's+
Commute
3.3%
Drive Alone
81.0%
Public Transit
7.7%
Work From Home
32.1 min
Avg Commute
Community Profile
7.2%
Foreign Born
79.6%
Non-English at Home
4.4%
Veterans
9.9%
With Disability
98.0%
Health Insurance
94.8%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.9% |
| Finance, Insurance & Real Estate | 13.0% |
| Construction | 9.6% |
| Manufacturing | 7.6% |
| Retail Trade | 7.5% |
| Education, Health Care & Social Services | 7.0% |
| Information | 6.0% |
| Public Administration | 5.0% |
| Arts, Entertainment & Food Services | 4.9% |
| Transportation & Warehousing | 2.8% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Ronkonkoma, New York has a population of 18,368 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 97th-largest city in New York.
The median household income in Ronkonkoma, New York is $125,534, with 1.9% of residents living below the federal poverty level.
The median home value in Ronkonkoma, New York is $467,600, with median monthly rent at $2,275 and a homeownership rate of 80.5%.
The median age in Ronkonkoma, New York is 37.9 years. The population is 50.8% male and 49.2% female.
Ronkonkoma Cdp, NY Climate
Ronkonkoma Cdp, NY has an average annual temperature of 11.4°C (53°F) and receives about 1045 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.4°C
Avg Temp
1045
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 31° | 90 mm |
| February | 0° / 32° | 77 mm |
| March | 5° / 40° | 101 mm |
| April | 10° / 49° | 97 mm |
| May | 15° / 59° | 88 mm |
| June | 20° / 68° | 75 mm |
| July | 23° / 74° | 74 mm |
| August | 23° / 73° | 95 mm |
| September | 19° / 66° | 80 mm |
| October | 13° / 55° | 80 mm |
| November | 8° / 46° | 96 mm |
| December | 2° / 36° | 92 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Ronkonkoma Cdp, NY
The most comfortable months to visit Ronkonkoma Cdp, NY are typically June, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -5°C low). March is usually the wettest month.
Where to stay near Ronkonkoma
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.