ZIP code · Amagansett · New York · United States
ZIP code 11930 — Amagansett
ZIP code 11930 serves Amagansett, New York.
- Postal code
- 11930Single source Value from one source, not cross-checked.
- City
- Amagansett
- County
- Suffolk FIPS 36103
- State
- New York
- Country
- United States
- Coordinates
- 40.9895, -72.0959 — precision precise (locality)
View on OpenStreetMap - Population
- 689 (ZCTA, ACS 5-year)
- Population density
- 80 / sq mi
- Land area
- 8.6 sq mi (22.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $132,917
- Per-capita income
- $106,282
- Median age
- 54.6
- Households
- 316
- Housing units
- 1,970
- Median home value
- $1,997,100
- 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 11930 with another ZIP · ZIPs within 25 miles · distance from 11930
Map of ZIP code 11930
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 28°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 41 | 46 | 55 | 64 | 74 | 80 | 80 | 73 | 63 | 54 | 45 |
| Avg low °F | 28 | 28 | 33 | 41 | 50 | 60 | 66 | 66 | 60 | 51 | 42 | 34 |
| Precip in | 3.6 | 3.2 | 4.2 | 3.7 | 3.2 | 3.5 | 2.8 | 4.0 | 3.6 | 4.2 | 3.9 | 4.3 |
NOAA 1991–2020 climate normals from the nearest station: MONTAUK AP (10.7 mi) · NOAA NCEI
Places in ZIP 11930
- 1 schools
- 1 supermarkets
- 8 restaurants & cafés
- 4 parks
- 3 playgrounds
- 1 post offices
- 1 places of worship
- 3 gas stations
- 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