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Advertise here →Lake Ronkonkoma, NY · Houses & Market Data
Lake Ronkonkoma, New York houses and real estate market data.
Houses in Lake Ronkonkoma, NY (Suffolk County) — Census median home value $484,700, county listing prices up about 1.9% over the past year. Market data for Lake Ronkonkoma houses and the broader area.
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Lake Ronkonkoma, NY is in Suffolk County, New York — this guide covers houses in Lake Ronkonkoma and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 18,289, with a median household income of $102,608. Census data puts Lake Ronkonkoma houses at a median value of $484,700 (all owner-occupied homes); Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Lake Ronkonkoma housing market
Lake Ronkonkoma is in Suffolk County, New York. Manifest Census and county price-trend data provide baseline context for houses in Lake Ronkonkoma and the surrounding county market.
Median home value (Census ACS)
$484,700
Population (Census ACS)
18,289
Median household income
$102,608
County price trend (2025)
5.42% YoY
Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.
At a glance
Lake Ronkonkoma market snapshot
Population
18,289
County
Suffolk County
Median Household Income
$102,608
Median Home Value (city)
$484,700
Median Listing Price (Suffolk County)
$937,000
Median Gross Rent
$1,906/mo
Price Trend (YoY)
+1.9%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Lake Ronkonkoma different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Lake Ronkonkoma's median home value — across all owner-occupied homes, not just recent sales — at $484,700. Separately, Suffolk County's current median listing price (via Realtor.com data, 2026-06-01) runs $937,000. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.
Population & Income
Lake Ronkonkoma has an estimated population of 18,289 and a median household income of $102,608, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Lake Ronkonkoma's Census-reported median home value works out to about 4.7x the area's median household income, and median gross rent runs roughly 22% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
Nearby
Places around Lake Ronkonkoma
County guide: Suffolk County — cities, market context, and local resources for the county that includes Lake Ronkonkoma.
USAHouses.com also helps visitors looking in nearby Suffolk County and other New York communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.
Nearby communities include Lake Grove, Ronkonkoma, Nesconset, Centereach, Holbrook, Islandia, St. James, Holtsville, Farmingville, Bohemia, Village of the Branch, Selden, Hauppauge, Head of the Harbor, Central Islip, Stony Brook.
Lake Grove market data
Nearby city · ~1.9 mi
Ronkonkoma market data
Nearby city · ~1.9 mi
Nesconset market data
Nearby city · ~2.3 mi
Centereach market data
Nearby city · ~3.1 mi
Holbrook market data
Nearby city · ~3.4 mi
Islandia market data
Nearby city · ~3.4 mi
St. James market data
Nearby city · ~3.8 mi
Holtsville market data
Nearby city · ~3.8 mi
Farmingville market data
Nearby city · ~3.9 mi
Bohemia market data
Nearby city · ~3.9 mi
Village of the Branch market data
Nearby city · ~3.9 mi
Selden market data
Nearby city · ~4.5 mi
Hauppauge market data
Nearby city · ~5.1 mi
Head of the Harbor market data
Nearby city · ~5.3 mi
Central Islip market data
Nearby city · ~5.3 mi
Stony Brook market data
Nearby city · ~5.4 mi
More New York cities with market guides: Yonkers, Syracuse, Albany, New Rochelle, Cheektowaga, Mount Vernon, Schenectady, Utica.
Yonkers market data
Same-state city guide
Syracuse market data
Same-state city guide
Albany market data
Same-state city guide
New Rochelle market data
Same-state city guide
Cheektowaga market data
Same-state city guide
Mount Vernon market data
Same-state city guide
Schenectady market data
Same-state city guide
Utica market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Farmingdale (~18.7 mi), Woodbury (~18.8 mi), Old Bethpage (~18.9 mi), Plainview (~19.1 mi), Laurel Hollow (~19.1 mi), South Farmingdale (~19.2 mi), East Massapequa (~20.0 mi), Bethpage (~20.3 mi), Syosset (~20.3 mi), Plainedge (~20.4 mi), Massapequa Park (~20.4 mi), Cove Neck (~20.4 mi), North Massapequa (~20.6 mi), Oyster Bay Cove (~20.6 mi), East Norwich (~21.8 mi), Massapequa (~21.8 mi).
New construction: New homes near Lake Ronkonkoma (New York City) · New York new construction.
Census & home facts
Lake Ronkonkoma data from published sources
Population (ACS 2023)
18,289
Median home value (ACS 2023)
$484,700
Median household income (ACS 2023)
$102,608
Median gross rent (ACS 2023)
$1,906
County FHFA annual change (2025)
5.42%
County median listing price (FRED/Realtor.com) (2026-06-01)
$937,000
Census place type
CDP
County
Suffolk County
Land area (Census Gazetteer 2024)
4.54 sq mi
Census GEOID
3640838
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Lake Ronkonkoma
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Manhasset Crest ↗
Toll Brothers · Manhasset, New York · ~29.0 mi · from $3,098,000
The Rose at Great Neck ↗
McKinley Homes · Great Neck, New York · ~32.5 mi
2700 Westchester ↗
Toll Brothers · Harrison, New York · ~32.9 mi · from $1,600,000
Enclave at Armonk ↗
Toll Brothers · Armonk, New York · ~36.6 mi · from $1,432,995
Regency at Kensico Ridge ↗
Toll Brothers · Valhalla, New York · ~39.3 mi · from $924,995
Local life
Life in Lake Ronkonkoma
Schools
BRENTWOOD UNION FREE SCHOOL DISTRICT — 17 schools, 18,323 students enrolled, per the U.S. Department of Education's Common Core of Data. Suffolk addresses may be served by BRENTWOOD UNION FREE SCHOOL DISTRICT, but attendance zones vary by street — confirm assigned schools with the district before making a move.
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Common questions
Lake Ronkonkoma FAQ
What are houses worth in Lake Ronkonkoma, NY?
The Census Bureau's American Community Survey puts the median value of houses in Lake Ronkonkoma at $484,700. Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.
How much do houses cost in Lake Ronkonkoma, NY?
For owner-occupied houses in Lake Ronkonkoma, Census ACS data shows a median value of $484,700. Active listing prices in Suffolk County may differ — see the market snapshot above.
What types of houses are in Lake Ronkonkoma, NY?
Lake Ronkonkoma houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Suffolk County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.
What is the population of Lake Ronkonkoma, NY?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Lake Ronkonkoma's population at approximately 18,289.
What's the median rent in Lake Ronkonkoma, NY?
The Census ACS estimates median gross rent in Lake Ronkonkoma at approximately $1,906 per month.
What is the median household income in Lake Ronkonkoma, NY?
Census ACS data puts the median household income in Lake Ronkonkoma at approximately $102,608.
Is the Lake Ronkonkoma housing market growing?
Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.
Is Lake Ronkonkoma, NY affordable relative to income?
Census ACS data puts Lake Ronkonkoma's median home value at about 4.7 times the median household income, with median gross rent equal to roughly 22% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
What school district serves Lake Ronkonkoma, NY?
Manifest and public school-directory data suggest BRENTWOOD UNION FREE SCHOOL DISTRICT for many Lake Ronkonkoma addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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