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County ProfileMA

Nantucket County

Population: 14,255 · 3 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
14,255
People
Median age
42.4
Housing
Total households
5,252
Income
Median household income
$139,688
Housing
Total housing units
12,594
Employment
Employment rate
68.6%
Education
Bachelor’s degree or higher
56.3%
Healthcare
Insured population
92.2%
County details
Local time 03:15:32(ET)
NameNantucket
Total ZIP codes3total
ZIP codes (by type)
1 Standard2 PO Box
Area code508, 774
TimezoneEastern Time (ET)
Coordinates41.2933918, -70.1021635
Land area46.2 sq miles(119.6 km²)

Map of Nantucket county, Massachusetts with ZIP codes

Map of Nantucket County, Massachusetts and ZIP codes

Cities and Communities in Nantucket County

Compare the largest cities in Nantucket County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Nantucket10,166$148,0172ZIPs
Siasconset5051ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Nantucket County

Review the most populated postal areas across Nantucket County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
02554Nantucket
02564Siasconset
02584Nantucket

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