ZIP code · Stony Brook · New York · United States
ZIP code 11790 — Stony Brook
ZIP code 11790 serves Stony Brook, New York.
- Postal code
- 11790Single source Value from one source, not cross-checked.
- City
- Stony Brook
- County
- Suffolk FIPS 36103
- State
- New York
- Country
- United States
- Coordinates
- 40.9068, -73.1277 — precision precise (locality)
View on OpenStreetMap - Population
- 19,934 (ZCTA, ACS 5-year)
- Population density
- 2,733 / sq mi
- Land area
- 7.3 sq mi (18.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $157,695
- Per-capita income
- $48,130
- Median age
- 23
- Households
- 4,503
- Housing units
- 4,856
- Median home value
- $590,000
- Median gross rent
- $2,652 / month
- Congressional district
- NY-1 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 11790 with another ZIP · ZIPs within 25 miles · distance from 11790
Map of ZIP code 11790
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 41 | 48 | 60 | 69 | 78 | 83 | 82 | 75 | 64 | 53 | 45 |
| Avg low °F | 26 | 26 | 32 | 41 | 50 | 60 | 66 | 65 | 60 | 49 | 39 | 31 |
NOAA 1991–2020 climate normals from the nearest station: SETAUKET STRONG (3.8 mi) · NOAA NCEI
Places in ZIP 11790
- 10 schools
- 4 colleges & universities
- 7 hospitals & clinics
- 6 doctors & dentists
- 1 pharmacies
- 2 supermarkets
- 42 restaurants & cafés
- 17 parks
- 13 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 4 post offices
- 5 places of worship
- 2 banks
- 3 gas stations
- 1 EV charging stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page