ZIP code · Sound Beach · New York · United States
ZIP code 11789 — Sound Beach
ZIP code 11789 serves Sound Beach, New York.
- Postal code
- 11789Single source Value from one source, not cross-checked.
- City
- Sound Beach
- County
- Suffolk FIPS 36103
- State
- New York
- Country
- United States
- Coordinates
- 40.9567, -72.9742 — precision precise (locality)
View on OpenStreetMap - Population
- 7,447 (ZCTA, ACS 5-year)
- Population density
- 4,404 / sq mi
- Land area
- 1.7 sq mi (4.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $140,665
- Per-capita income
- $51,379
- Median age
- 41.2
- Households
- 2,802
- Housing units
- 2,888
- Median home value
- $384,300
- Median gross rent
- $2,787 / 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 11789 with another ZIP · ZIPs within 25 miles · distance from 11789
Map of ZIP code 11789
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 | 41 | 43 | 50 | 64 | 72 | 78 | 83 | 82 | 75 | 65 | 56 | 46 |
| Avg low °F | 26 | 28 | 33 | 43 | 51 | 61 | 68 | 67 | 61 | 49 | 40 | 32 |
| Precip in | 3.7 | 3.2 | 4.7 | 4.4 | 3.9 | 3.9 | 3.9 | 4.0 | 4.3 | 4.2 | 3.7 | 4.6 |
NOAA 1991–2020 climate normals from the nearest station: MT SINAI (2.9 mi) · NOAA NCEI
Places in ZIP 11789
- 4 restaurants & cafés
- 6 parks
- 1 playgrounds
- 2 places of worship
- 1 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