County ProfileMA
Dukes County
Population: 20,600 · 6 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
20,600
People
Median age
50.7
Housing
Total households
7,584
Income
Median household income
$125,786
Housing
Total housing units
17,822
Employment
Employment rate
62.9%
Education
Bachelor’s degree or higher
51.9%
Healthcare
Insured population
97.9%
County details
Local time 02:48:42(ET)| Name | Dukes |
|---|---|
| Total ZIP codes | 6total |
| ZIP codes (by type) | 3 Standard3 PO Box |
| Area code | 508, 774 |
| Timezone | Eastern Time (ET) |
| Coordinates | 41.3809696, -70.7014995 |
| Land area | 103.2 sq miles(267.3 km²) |
Map of Dukes county, Massachusetts with ZIP codes
Cities and Communities in Dukes County
Compare the largest cities in Dukes County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Vineyard Haven | 2,747 | $77,665 | 1ZIPs |
| Oak Bluffs | 2,324 | — | 1ZIPs |
| Edgartown | 1,107 | $250,001 | 1ZIPs |
| Chilmark | — | — | 1ZIPs |
| Cuttyhunk | — | — | 1ZIPs |
| West Tisbury | — | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Dukes County
Review the most populated postal areas across Dukes County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 02535 | Chilmark | — | — |
| 02539 | Edgartown | — | — |
| 02557 | Oak Bluffs | — | — |
| 02568 | Vineyard Haven | — | — |
| 02575 | West Tisbury | — | — |
| 02713 | Cuttyhunk | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS