Residential delivery area · Massachusetts
ZIP Code 02557: Oak Bluffs, MA
ZIP code 02557 is in Oak Bluffs, Massachusetts, entirely in Dukes County (Census 2020 ZIP-county file). About 1,300 people live there (Census Bureau, ACS 2020-2024). By Census place, 52% of its land lies in Oak Bluffs (a census-designated place); 48% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- Town
- Oak Bluffs · its only residential ZIP
- County
- Dukes County
- Census places
- Oak Bluffs census-designated place
- Micro area
- Vineyard Haven, MA
- House district
- MA-9 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 3.2 sq mi · 386 people per sq mi
Where is ZIP code 02557?
02557 centers on 41.446°, -70.562° and covers 3.2 square miles of land plus 4.0 of water. It borders 2 ZIP codes: 02568, 02539.
The map draws ZIP code areas only. For the streets inside 02557, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 02557 compare with the rest of Dukes County?
| Measure | 02557 | In Dukes County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,250 | 5th of 7 | 456th of 539 |
| Median household income | – | – | – |
| Median home value | $1.29M | not ranked | not ranked |
02557's median home value is not ranked: its 90% margin of error (±$1,114,720) is more than a quarter of the figure ($1,287,200). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 69% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 02557?
The 2020 Census counted 2,372 people in 02557; the ACS, which samples households over 2020-2024, estimates 1,250. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,250±589 (90% margin)
- 2020 Census count
- 2,372
- Households
- 769
- Median age
- 62.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 02557?
Of the 1,250 people the ACS estimates in 02557, 8.3% are under 18 and 43.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.4%), then Black (not Hispanic) (10.2%).
- Under 188.3%
- 18 to 6448.6%
- 65 and older43.0%
- White, not Hispanic84.4%
- Black, not Hispanic10.2%
- Other or two or more4.0%
- Hispanic or Latino1.4%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What are homes worth in 02557?
FHFA's house price index for 02557, built from repeat sales and appraisals of the same homes, rose 144% from 2015 to 2025 and rose 74% from 2020 to 2025, and moved +4.1% in 2025.
- Median home value (owners' estimate)
- $1,287,200
- Median gross rent
- –
- Homes owned by their occupants
- 68.9%
- Housing units
- 2,834
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 02557?
264 business establishments had a location in this ZIP code in 2023, 25 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction61
- Accommodation and food services46
- Retail trade36
- Administrative and support and waste management and remediation services24
- Real estate and rental and leasing23
- Other services (except public administration)19
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 02557?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02568 | Vineyard Haven | 9,412 | $115k | 2.8 mi |
| 02539 | Edgartown | 5,278 | $125k | 5.2 mi |
| 02575 | West Tisbury | 2,718 | $173k | 6.1 mi (near) |
| 02540 | Falmouth | 8,104 | $77k | 9.2 mi (near) |
| 02536 | East Falmouth | 21,328 | $101k | 10.4 mi (near) |
| 02543 | Woods Hole | 747 | $72k | 11.7 mi (near) |
| 02649 | Mashpee | 15,384 | $95k | 12.4 mi (near) |
| 02535 | Chilmark | 2,244 | $154k | 12.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.