Centereach
Census-designated place in Suffolk County, New York

Centereach is an unincorporated community (census-designated place) in Suffolk County, New York, with 30,980 residents (2020 Census). It sits at 98 ft (30 m) above sea level. The nearest town is Selden, 1.9 miles E.
- 30,980residents (2020 Census)
- 98 ftelevation · 30 m
- 8.9 sq miland area · 23.1 km²
- 3,474 / sq mipopulation density
- 11720main ZIP code (3 in total)
About Centereach
Centereach () is a hamlet and census-designated place in Suffolk County, New York, United States. As of the 2020 census, Centereach had a population of 30,980.
Text: Wikipedia · CC BY-SA 4.0
Centereach weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Centereach
Webcams: Windy.com
Living in Centereach
- Median household income
- $132,240
- Median home value
- $514,800
- Median rent
- $2,420/mo
- Median age
- 38.4
Do you know Centereach? Tell us about it
Help other travelers: share what makes Centereach special. We review every message before publishing it.
Map of Centereach
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Centereach Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Centereach, NY population
Centereach had 30,980 residents in the 2020 Census.
| 2020 Census | 30,980 |
|---|---|
| Density | 3,474 per sq mi (1,341 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Centereach at a glance
| State | New York (NY) |
|---|---|
| County | Suffolk County |
| Type | Census-designated place |
| Population | 30,980 (2020) |
| Land area | 8.92 sq mi (23.1 km²) |
| Elevation | 98 ft (30 m) |
| Coordinates | 40.8681° N, 73.0821° W |
| ZIP codes | 11720, 11755, 11784 |
| Census code (GEOID) | 3613376 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Centereach
- Selden1.9 mi E
- Lake Grove2.0 mi W
- Farmingville3.0 mi SE
- Lake Ronkonkoma3.1 mi SW
- Terryville3.3 mi NE
- Stony Brook University3.5 mi NW
- Stony Brook3.6 mi NW
- East Setauket3.7 mi N
- St. James3.7 mi W
- Nesconset3.9 mi W
- Coram4.1 mi E
- Port Jefferson Station4.1 mi N
Straight-line distance between town centers.
Frequently asked questions about Centereach
What county is Centereach in?
Centereach is in Suffolk County, New York.
What is the population of Centereach, NY?
30,980 people lived in Centereach at the 2020 Census.
What is the ZIP code of Centereach, NY?
The main ZIP code is 11720. Other ZIP codes: 11755, 11784.
What is the elevation of Centereach?
98 feet (30 m) above sea level.
What towns are near Centereach?
Selden (1.9 mi), Lake Grove (2.0 mi), Farmingville (3.0 mi), Lake Ronkonkoma (3.1 mi), Terryville (3.3 mi).
Last updated: