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Centereach, NY
Census-designated place in Suffolk County, New York. ZIP codes: 11720.
Population
31,839
Land area
8.9sq mi
People per sq mi
3,570
ZIP codes
1
Centereach and its ZIP codes
Centereach at a glance
- Centereach is about 8.5 times as dense as New York as a whole.
- It is the 40th most populous of 1,289 cities and towns in New York.
- Households here earn a median of $132,240 a year, 54% more than the New York figure of $85,974.
- A typical owner-occupied home is valued at $514,800 (21% above New York) and median rent is $2,420 a month.
Local data for Centereach, NY
Counts from official public data
Housing and community stats
Centereach, NY, American Community Survey 2020-2024
Median household income
$132,240
Poverty rate
5.3%
Median home value
$514,800
Median rent
$2,420/mo
Homeownership
86.5%
Bachelor's or higher
35.5%
Median age
38.4
Average commute
31.9 min
Largest reported origins and ancestries: Italian Americans (9,605), Irish Americans (6,569), German Americans (3,431).
Economy and federal money
Jobs, pay, income and spending are for Suffolk County. PPP loans are for Centereach.
Unemployment rate
3.8%
Sep 2026, +0.2 pts in a year
Average annual pay
$81,119
689,858 jobs, 2025
Income per person
$92,113
BEA, 2024
Federal spending
$11.1B
FY 2026, $7,299 per person
PPP loans
$33.6M
643 loans, 5,939 jobs reported
How people get to work
Centereach, NY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.7%
- Carpooled8.7%
- Public transit1.1%
- Walked0.3%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other1.5%
- Worked from home11.4%
Average one-way commute: 31.9 minutes for people who do not work from home.
Environment and hazard risk
Centereach, NY, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
1,830
Countywide, mostly thunderstorm wind
Flood insurance policies
26,160
5.4% of homes, county
July high / Jan low
83° / 25°F
46.0 inches of rain a year
Health statistics
Share of adults in Centereach, NY, CDC PLACES estimates
Obesity
28.3%
U.S. 33.3% -5.0 pts
Diabetes
8.9%
U.S. 12.1% -3.2 pts
Smoking
9.7%
U.S. 12.8% -3.1 pts
Uninsured (18-64)
6.3%
U.S. 11.1% -4.8 pts
ZIP codes in Centereach
1 in or overlapping Centereach. Population shown
Cities near Centereach
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Lake GroveVillage | 1.9 mi | 2.9 |
| SeldenCensus-designated place | 2 mi | 4.5 |
| Lake RonkonkomaCensus-designated place | 2.8 mi | 4.5 |
| FarmingvilleCensus-designated place | 3.2 mi | 4.2 |
| Stony Brook UniversityCensus-designated place | 3.4 mi | 1.6 |
| St. JamesCensus-designated place | 3.5 mi | 4.6 |
| TerryvilleCensus-designated place | 3.5 mi | 3.2 |
| East SetauketCensus-designated place | 3.7 mi | 6 |
| Stony BrookCensus-designated place | 3.9 mi | 5.8 |
| NesconsetCensus-designated place | 3.9 mi | 3.8 |
| Port Jefferson StationCensus-designated place | 3.9 mi | 2.6 |
| CoramCensus-designated place | 4.3 mi | 13.8 |
| Head of the HarborVillage | 4.5 mi | 2.8 |
| HoltsvilleCensus-designated place | 4.8 mi | 7.1 |
| HolbrookCensus-designated place | 4.9 mi | 6.9 |
| RonkonkomaCensus-designated place | 5 mi | 8.1 |
Frequently asked questions
- What county is Centereach, NY in?
- Centereach is in Suffolk County, New York.
- What ZIP codes are in Centereach, NY?
- ZIP codes in or overlapping Centereach include 11720.
- What is the population of Centereach, NY?
- About 31,839 people live in Centereach, based on American Community Survey 5-year estimates.
- What cities are near Centereach?
- Nearby places include Lake Grove (1.9 mi), Selden (2 mi), Lake Ronkonkoma (2.8 mi), Farmingville (3.2 mi), Stony Brook University (3.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023