Ronkonkoma CDP, New York Demographics & Population 2026
As of 2026, Ronkonkoma CDP, New York has a total population of 18,368, the 97th largest city in New York, with a median household income of $125,534, which is 48% higher than the state average. The poverty rate is 3.2%.
Key Takeaways
- Household income is 48% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 3.2% — among the lowest in New York.
Ronkonkoma CDP Quick Facts
How Ronkonkoma CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 60
Education
Educational Attainment (Adults 25+)
Ronkonkoma CDP Rankings in New York
Explore New York Rankings
Cities Similar to Ronkonkoma CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| North Babylon CDP | 18,208 | $130,293 | $470,900 | 33.9% | 4.0% |
| Holtsville CDP | 19,250 | $130,851 | $483,400 | 34.1% | 3.4% |
| Islip CDP | 17,224 | $122,596 | $486,900 | 34.9% | 5.8% |
| Mamaroneck village | 19,840 | $125,459 | $705,200 | 55.3% | 7.7% |
| North Massapequa CDP | 18,037 | $142,274 | $609,100 | 47.1% | 5.1% |
Population Overview
Ronkonkoma CDP is a small city located in New York. The total population is 18,368. It ranks as the 97th most populous out of 1,287 cities and towns in New York.
Age Demographics
The median age in Ronkonkoma CDP is 37.9 years. This is 4% lower than the state median of 39.6 years.
Economy, Income & Housing
The median household income in Ronkonkoma CDP is $125,534. This is 48% higher than the state median of $84,578. Compared to the national median of $78,538, household income here is 60% higher. The poverty rate stands at 3.2%. This is 77% lower than the state poverty rate of 13.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 7.2%. This is 16% higher than the state rate of 6.2%. The median home value is $467,600. Housing costs are 16% higher than the state median of $403,000. The home-value-to-income ratio is 3.7x. 80.5% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 54.3%.
Race & Ethnicity
The largest racial or ethnic group in Ronkonkoma CDP is White (non-Hispanic), making up 64.2% of the population. Hispanic or Latino residents account for 22.8%. The Black or African American population (5.1%) is well below the state average of 13.6%.
Education
34.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% lower than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.8%. Notably, 15.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Ronkonkoma CDP, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,287 Census-designated places in New York. For official data, visit data.census.gov.
Free data download: Get all New York city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Ronkonkoma CDP, New York?
Ronkonkoma CDP, New York has a population of 18,368 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Ronkonkoma CDP, NY?
The median household income in Ronkonkoma CDP is $125,534, which is 60% higher the national median of $78,538.
What is the poverty rate in Ronkonkoma CDP, NY?
The poverty rate in Ronkonkoma CDP is 3.2%. This means approximately 585 residents live below the federal poverty line.
What is the racial makeup of Ronkonkoma CDP, New York?
Ronkonkoma CDP's population is 64.2% White, 5.1% Black, 22.8% Hispanic/Latino, and 6.8% Asian.
What is the median home value in Ronkonkoma CDP, NY?
The median home value in Ronkonkoma CDP is $467,600. The home-value-to-income ratio is 3.7x.
How educated is Ronkonkoma CDP, New York?
34.5% of adults (25+) in Ronkonkoma CDP hold a bachelor's degree or higher, and 15.6% hold a graduate or professional degree.