Checked
Nantucket County, MA
3 cities and towns and 3 ZIP codes in Nantucket County, Massachusetts.
Population
14,483
Land area
46sq mi
People per sq mi
314
ZIP codes
3
Cities and towns in Nantucket County
Nantucket County at a glance
- Nantucket County is 65% less dense than Massachusetts as a whole.
- Households here earn a median of $139,688 a year, 34% more than the Massachusetts figure of $103,960.
- A typical owner-occupied home is valued at $1,593,800 (about 2.8 times the Massachusetts figure) and median rent is $2,213 a month.
- The biggest population centers are Nantucket (10,017), Madaket (377) and Siasconset (204).
Local data for Nantucket County, MA
Counts from official public data
Housing and community stats
Nantucket County, MA, American Community Survey 2020-2024
Median household income
$139,688
Poverty rate
3.2%
Median home value
$1,593,800
Prices +4.4% in a year
Median rent
$2,213/mo
Homeownership
71.8%
Bachelor's or higher
56.3%
Median age
42.4
Average commute
16.0 min
Largest reported origins and ancestries: Irish Americans (2,781), Italian Americans (1,300), German Americans (906).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.0%
Sep 2026, 0.0 pts in a year
Average annual pay
$82,938
8,675 jobs, 2025
Income per person
$129,250
BEA, 2024
Federal spending
$61.7M
FY 2026, $4,326 per person
PPP loans
$101M
1,360 loans, 9,171 jobs reported
Campaign donations
$1.4M
Itemized, 2026 cycle
How people get to work
Nantucket County, MA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone67.9%
- Carpooled6.0%
- Public transit0.7%
- Walked6.4%
- Bicycle4.5%
- Taxi, ride-hailing, motorcycle or other1.5%
- Worked from home13.0%
Average one-way commute: 16.0 minutes for people who do not work from home.
Environment and hazard risk
Nantucket County, MA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hurricane
Storm events since 1996
296
Most often high wind
Flood insurance policies
714
7.5% of homes, county
July high / Jan low
75° / 27°F
40.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Nantucket County, MA, CDC PLACES estimates
Obesity
27.7%
U.S. 33.3% -5.6 pts
Diabetes
8.6%
U.S. 12.1% -3.5 pts
Smoking
9.1%
U.S. 12.8% -3.7 pts
Uninsured (18-64)
4.5%
U.S. 11.1% -6.6 pts
Cities, towns and ZIP codes in Nantucket County
Population shown
Frequently asked questions
- What is the largest city in Nantucket County, MA?
- Nantucket is the largest city or town in Nantucket County, with about 10,017 residents.
- How many ZIP codes are in Nantucket County?
- Nantucket County includes 3 ZIP Code Tabulation Areas, including 02554, 02564, 02584.
- What is the population of Nantucket County, MA?
- About 14,483 people live in Nantucket County, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023