Central Islip
Census-designated place in Suffolk County, New York

Central Islip is an unincorporated community (census-designated place) in Suffolk County, New York, with 36,714 residents (2020 Census). It sits at 85 ft (26 m) above sea level. The nearest town is Islandia, 2.0 miles NE.
- 36,714residents (2020 Census)
- 85 ftelevation · 26 m
- 7.2 sq miland area · 18.5 km²
- 5,131 / sq mipopulation density
- 11722main ZIP code (3 in total)
About Central Islip
Central Islip (also known locally by its initials as CI) is a hamlet and census-designated place (CDP) within the Town of Islip in Suffolk County, New York, United States. As of the 2020 census, Central Islip had a population of 36,714.
Text: Wikipedia · CC BY-SA 4.0
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Living in Central Islip
- Median household income
- $113,707
- Median home value
- $436,400
- Median rent
- $2,071/mo
- Median age
- 34.6
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Map of Central Islip
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Open in Google Maps ›Central Islip, NY population
Central Islip had 36,714 residents in the 2020 Census.
| 2020 Census | 36,714 |
|---|---|
| Density | 5,131 per sq mi (1,981 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Central Islip at a glance
| State | New York (NY) |
|---|---|
| County | Suffolk County |
| Type | Census-designated place |
| Population | 36,714 (2020) |
| Land area | 7.15 sq mi (18.5 km²) |
| Elevation | 85 ft (26 m) |
| Coordinates | 40.7836° N, 73.1945° W |
| ZIP codes | 11722, 11749, 11752 |
| Census code (GEOID) | 3613552 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Central Islip
- Islandia2.0 mi NE
- Islip Terrace2.3 mi S
- North Great River2.5 mi SE
- Hauppauge2.8 mi N
- Brentwood3.0 mi W
- Bohemia3.1 mi E
- Islip3.9 mi S
- North Bay Shore3.9 mi SW
- Ronkonkoma3.9 mi E
- East Islip4.0 mi S
- Oakdale4.5 mi SE
- Bay Shore4.7 mi SW
Straight-line distance between town centers.
Frequently asked questions about Central Islip
What county is Central Islip in?
Central Islip is in Suffolk County, New York.
What is the population of Central Islip, NY?
36,714 people lived in Central Islip at the 2020 Census.
What is the ZIP code of Central Islip, NY?
The main ZIP code is 11722. Other ZIP codes: 11749, 11752.
What is the elevation of Central Islip?
85 feet (26 m) above sea level.
What towns are near Central Islip?
Islandia (2.0 mi), Islip Terrace (2.3 mi), North Great River (2.5 mi), Hauppauge (2.8 mi), Brentwood (3.0 mi).
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