ZIP code · Westhampton Beach · New York · United States
ZIP code 11978 — Westhampton Beach
ZIP code 11978 serves Westhampton Beach, New York.
- Postal code
- 11978Single source Value from one source, not cross-checked.
- County
- Suffolk FIPS 36103
- State
- New York
- Country
- United States
- Coordinates
- 40.8295, -72.6473 — precision precise (locality)
View on OpenStreetMap - Population
- 4,376 (ZCTA, ACS 5-year)
- Population density
- 430 / sq mi
- Land area
- 10.2 sq mi (26.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $108,938
- Per-capita income
- $82,208
- Median age
- 47.1
- Households
- 1,623
- Housing units
- 3,936
- Median home value
- $1,045,100
- Median gross rent
- $2,079 / month
- Congressional district
- NY-1 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °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 11978 with another ZIP · ZIPs within 25 miles · distance from 11978
Map of ZIP code 11978
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 40 | 47 | 57 | 66 | 75 | 81 | 80 | 74 | 63 | 53 | 45 |
| Avg low °F | 20 | 21 | 28 | 36 | 46 | 56 | 63 | 61 | 54 | 43 | 34 | 26 |
| Precip in | 3.2 | 2.7 | 4.3 | 3.8 | 3.3 | 3.5 | 2.9 | 3.7 | 3.8 | 4.7 | 3.5 | 4.2 |
NOAA 1991–2020 climate normals from the nearest station: WESTHAMPTN GABRESKI AP (1.2 mi) · NOAA NCEI
Places in ZIP 11978
- 2 schools
- 3 restaurants & cafés
- 5 parks
- 6 playgrounds
- 1 libraries
- 1 post offices
- 4 places of worship
- 1 banks
- 1 gas 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