Lake Ronkonkoma CDP, New York Demographics & Population 2026

Name: Lake Ronkonkoma CDP, New York Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Lake Ronkonkoma CDP, New York has a total population of 18,289, the 98th largest city in New York, with a median household income of $102,608, which is 21% higher than the state average. The poverty rate is 8.5%.

Lake Ronkonkoma CDP Quick Facts

Population 18,289

Median Household Income $102,608

Median Home Value $484,700

Poverty Rate 8.5%

Unemployment Rate 6.7%

Median Age 43.1 years

Homeownership Rate 70.3%

Affordability Ratio 4.7x

Bachelor's Degree or Higher 31.9%

High School Graduation Rate 92.9%

Diversity Index 48/100

Population 18,289 98th of 1,287

Median Income $102,608 above average

Poverty Rate 8.5% 31% lower national

Median Home Value $484,700 top 30%

How Lake Ronkonkoma CDP Compares

Median Household Income

Lake Ronkonkoma CDP

$102,608

$84,578

National

$78,538

Median Home Value

Lake Ronkonkoma CDP

$484,700

$403,000

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 9.6%

$25K-$50K 11.9%

$50K-$100K 27.6%

$100K+ 50.9%

Employment

6.7% Unemployment Rate State: 6.2% | National: 5.2%

65.4% Labor Force Participation

Housing Overview

Owner 70.3%

Renter 29.8%

Affordability Index Moderate

4.7x home value to income ratio

People & Demographics

Age Distribution

Under 18

20.3%

18-34

20.5%

35-54

25.2%

55-74

28.2%

75+

5.8%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 65 | National average: 60

Education

Educational Attainment (Adults 25+)

Lake Ronkonkoma CDP Rankings in New York

#98 Population of 1,287

#425 Median Income of 1,287

#662 Education of 1,287

#328 Home Value of 1,287

Explore New York Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Lake Ronkonkoma CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Ronkonkoma CDP	18,368	$125,534	$467,600	34.5%	3.2%
North Babylon CDP	18,208	$130,293	$470,900	33.9%	4.0%
Mastic Beach CDP	16,382	$109,381	$326,600	21.5%	21.7%
Nanuet CDP	20,089	$113,582	$502,700	42.9%	7.5%
Islip CDP	17,224	$122,596	$486,900	34.9%	5.8%

Population Overview

Lake Ronkonkoma CDP is a small city located in New York. The total population is 18,289. It ranks as the 98th most populous out of 1,287 cities and towns in New York.

Age Demographics

The median age in Lake Ronkonkoma CDP is 43.1 years. This is 9% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Lake Ronkonkoma CDP is $102,608. This is 21% higher than the state median of $84,578. Compared to the national median of $78,538, household income here is 31% higher. The poverty rate stands at 8.5%. This is 38% lower than the state poverty rate of 13.7%. The unemployment rate is 6.7%. This is 8% higher than the state rate of 6.2%. The median home value is $484,700. Housing costs are 20% higher than the state median of $403,000. The home-value-to-income ratio is 4.7x. 70.3% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 54.3%.

Race & Ethnicity

The largest racial or ethnic group in Lake Ronkonkoma CDP is White (non-Hispanic), making up 69.9% of the population. Hispanic or Latino residents account for 15.3%. The Black or African American population (3.0%) is well below the state average of 13.6%.

Education

31.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% 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 92.9%.

Data Sources & Methodology

All demographic data for Lake 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.

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Frequently Asked Questions

What is the population of Lake Ronkonkoma CDP, New York?

Lake Ronkonkoma CDP, New York has a population of 18,289 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Lake Ronkonkoma CDP, NY?

The median household income in Lake Ronkonkoma CDP is $102,608, which is 31% higher the national median of $78,538.

What is the poverty rate in Lake Ronkonkoma CDP, NY?

The poverty rate in Lake Ronkonkoma CDP is 8.5%. This means approximately 1,556 residents live below the federal poverty line.

What is the racial makeup of Lake Ronkonkoma CDP, New York?

Lake Ronkonkoma CDP's population is 69.9% White, 3.0% Black, 15.3% Hispanic/Latino, and 8.1% Asian.

What is the median home value in Lake Ronkonkoma CDP, NY?

The median home value in Lake Ronkonkoma CDP is $484,700. The home-value-to-income ratio is 4.7x.

How educated is Lake Ronkonkoma CDP, New York?

31.9% of adults (25+) in Lake Ronkonkoma CDP hold a bachelor's degree or higher, and 12.8% hold a graduate or professional degree.