ZIP code · Oak Bluffs · Massachusetts · United States
ZIP code 02557 — Oak Bluffs
ZIP code 02557 serves Oak Bluffs, Massachusetts.
- Postal code
- 02557Single source Value from one source, not cross-checked.
- City
- Oak Bluffs
- County
- Dukes FIPS 25007
- State
- Massachusetts
- Country
- United States
- Coordinates
- 41.4543, -70.5620 — precision precise (locality)
View on OpenStreetMap - Population
- 1,849 (ZCTA, ACS 5-year)
- Population density
- 571 / sq mi
- Land area
- 3.2 sq mi (8.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $95,287
- Per-capita income
- $59,442
- Median age
- 53.4
- Households
- 924
- Housing units
- 2,790
- Median home value
- $1,006,000
- Congressional district
- MA-9 (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 02557 with another ZIP · ZIPs within 25 miles · distance from 02557
Map of ZIP code 02557
Climate — monthly normals
Warmest month Jul (avg high 79°F), coldest Feb (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 40 | 46 | 55 | 65 | 73 | 79 | 79 | 73 | 63 | 54 | 45 |
| Avg low °F | 23 | 23 | 29 | 36 | 46 | 55 | 61 | 60 | 52 | 43 | 36 | 29 |
| Precip in | 3.3 | 2.6 | 4.0 | 3.7 | 3.3 | 3.2 | 2.8 | 3.4 | 3.8 | 4.4 | 4.0 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: VINEYARD HAVEN AP (5.0 mi) · NOAA NCEI
Places in ZIP 02557
- 1 schools
- 1 hospitals & clinics
- 1 supermarkets
- 24 restaurants & cafés
- 3 bars & pubs
- 25 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 6 places of worship
- 2 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