Ronkonkoma
Census-designated place in Suffolk County, New York

Ronkonkoma is an unincorporated community (census-designated place) in Suffolk County, New York, with 18,955 residents (2020 Census). It sits at 112 ft (34 m) above sea level. The nearest town is Bohemia, 1.9 miles S.
- 18,955residents (2020 Census)
- 112 ftelevation · 34 m
- 8.1 sq miland area · 21.0 km²
- 2,338 / sq mipopulation density
- 11779main ZIP code (3 in total)
About Ronkonkoma
Ronkonkoma ( ron-KONG-kə-mə) is a hamlet and census-designated place (CDP) located within the Town of Islip, in Suffolk County, on Long Island, in New York, United States. The population was 18,955 at the time of the 2020 census.
The Ronkonkoma post office has the ZIP Code 11779 and serves the CDP along with portions of several adjacent hamlets and CDPs.
The hamlet is also home to Long Island MacArthur Airport, which is owned and operated by the Town of Islip. The New York Air Route Traffic Control Center is located at the airport.
Text: Wikipedia · CC BY-SA 4.0
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Living in Ronkonkoma
- Median household income
- $121,673
- Median home value
- $489,100
- Median rent
- $2,345/mo
- Median age
- 38.2
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Map of Ronkonkoma
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Open in Google Maps ›Ronkonkoma, NY population
Ronkonkoma had 18,955 residents in the 2020 Census.
| 2020 Census | 18,955 |
|---|---|
| Density | 2,338 per sq mi (903 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Ronkonkoma at a glance
| State | New York (NY) |
|---|---|
| County | Suffolk County |
| Type | Census-designated place |
| Population | 18,955 (2020) |
| Land area | 8.11 sq mi (21.0 km²) |
| Water area | 0.33 sq mi (0.86 km²) |
| Elevation | 112 ft (34 m) |
| Coordinates | 40.8035° N, 73.1245° W |
| ZIP codes | 11779, 11716, 11749 |
| Census code (GEOID) | 3663473 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Ronkonkoma
- Bohemia1.9 mi S
- Lake Ronkonkoma1.9 mi N
- Islandia2.4 mi W
- Holbrook2.9 mi E
- Nesconset3.3 mi NW
- Lake Grove3.8 mi N
- North Great River3.8 mi SW
- Central Islip3.9 mi W
- Holtsville4.2 mi E
- Sayville4.4 mi SE
- Village of the Branch4.6 mi NW
- Oakdale4.6 mi S
Straight-line distance between town centers.
Frequently asked questions about Ronkonkoma
What county is Ronkonkoma in?
Ronkonkoma is in Suffolk County, New York.
What is the population of Ronkonkoma, NY?
18,955 people lived in Ronkonkoma at the 2020 Census.
What is the ZIP code of Ronkonkoma, NY?
The main ZIP code is 11779. Other ZIP codes: 11716, 11749.
What is the elevation of Ronkonkoma?
112 feet (34 m) above sea level.
What towns are near Ronkonkoma?
Bohemia (1.9 mi), Lake Ronkonkoma (1.9 mi), Islandia (2.4 mi), Holbrook (2.9 mi), Nesconset (3.3 mi).
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