Nantucket County, Massachusetts Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in Massachusetts

The population of Nantucket County, Massachusetts is 14,299 as of the 2023 American Community Survey, making it the 14th-largest county in Massachusetts. The median household income is $119,750, the median home value is $1,387,000, and the median age is 40.8.

The population of Nantucket County has grown 44.3% since 2010 (10,165 → 14,670), a +2.66% annualized rate.

Nantucket County within Massachusetts · Source: US Census TIGER/Line via us-atlas

14,299

Population

+2.66%

Annual growth

310

People / sq mi

$119,750

Median Income

$1,387,000

Median Home Value

Nantucket County covers 46 sq mi of land at 309.6 people per square mile.

About Nantucket County, MA

Nantucket County is a county in Massachusetts with a population of 14,299. It ranks #14 among counties in Massachusetts by population. The median age is 40.8, older than the national median. The population is 50.8% male and 49.2% female.

The median household income in Nantucket County is $119,750, above the US median of $74,580. 1.7% of residents live below the federal poverty level. Home values sit at a median of $1,387,000, with monthly rent averaging $2,070. The homeownership rate of 76.5% is higher than the national rate of 64.8%.

Educational attainment in Nantucket County reflects 58.4% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 11.8% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 15.2 minutes each way.

Nantucket County Population History (2010-2024)

The county of Nantucket County had a population of 10,165 in 2010 and 14,670 in 2024, a 44.3% growth over 14 years. The peak was 14,670 in 2024. Average annual growth rate: 2.83%.

14,670

Population (2024)

10,165

Population (2010)

14,670

Peak (2024)

2.83%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	10,165	-	-	estimate
2011	10,133	-32	-0.31%	estimate
2012	10,313	+180	+1.78%	estimate
2013	10,564	+251	+2.43%	estimate
2014	10,833	+269	+2.55%	estimate
2015	10,933	+100	+0.92%	estimate
2016	11,081	+148	+1.35%	estimate
2017	11,156	+75	+0.68%	estimate
2018	11,118	-38	-0.34%	estimate
2019	11,330	+212	+1.91%	estimate
2020	14,239	+2,909	+25.68%	estimate
2021	14,507	+268	+1.88%	estimate
2022	14,464	-43	-0.30%	estimate
2023	14,534	+70	+0.48%	estimate
2024	14,670	+136	+0.94%	estimate

Race & Ethnicity

White	70.8%
Black or African American	9.3%
Asian	0.0%
Hispanic or Latino (any race)	0.0%
Two or More Races	0.0%

Age & Sex

40.8

Median Age

49.2%

Female

50.8%

Male

15.5%

Age 65+

Age Distribution

Under 5

4.8%

5–9

6.0%

10–14

5.6%

15–19

5.8%

20–24

4.7%

25–34

10.9%

35–44

18.9%

45–54

14.4%

55–59

6.9%

60–64

6.4%

65–74

9.7%

75–84

4.5%

85+

1.3%

Children (under 15): 16.4% · Seniors (65+): 15.5%

Income & Poverty

Median household income	$119,750+$18,409 vs state
Mean household income	$194,491
Per-capita income	$72,733
Poverty rate	1.7%-4.9% vs state
Unemployment rate	3.9%
Employment-to-population	69.0%

Top Industries by Employment

Professional & business services

24.6%

Finance & real estate

21.5%

Construction

17.3%

Education & health care

6.5%

Information

4.9%

Retail trade

4.1%

Arts, entertainment & food

3.6%

Manufacturing

3.5%

The largest employment sector in Nantucket County is professional & business services, accounting for 24.6% of workers.

How residents commute

0.8%

Drive alone

5.9%

Carpool

69.9%

Public transit

11.8%

Work from home

15.2 min

Avg commute

Housing

$1,387,000+$861,200 vs state

Median home value

$2,070

Median rent

76.5%

Homeownership rate

12,449

Total housing units

40.5%

Occupied

59.5%

Vacant

23.5%

Renter-occupied

Social & access

93.5%

With health insurance

98.8%

With broadband internet

37.0%

Foreign-born

4.5%

Veterans (18+)

9.3%

With a disability

84.4%

Speak language other than English at home

Education

96.0%

High School+

58.4%

Bachelor's+

Largest cities in Massachusetts

Boston (663,972)Worcester (205,501)Springfield (154,751)Cambridge (117,794)Lowell (114,799)Brockton (105,080)Quincy (101,361)Lynn (100,905)New Bedford (100,731)Fall River (93,764)All Massachusetts cities →

Other counties in Massachusetts

Middlesex County (1,622,896)Worcester County (861,664)Essex County (807,258)Suffolk County (782,172)Norfolk County (724,540)Bristol County (578,436)Plymouth County (531,889)Hampden County (462,853)Barnstable County (230,073)Hampshire County (156,595)All Massachusetts counties →

Part of Massachusetts

Massachusetts demographic profile All Massachusetts data →

Metro areas in Massachusetts

Boston (4,917,661)Providence (1,673,807)Worcester (861,664)Springfield (462,853)Barnstable Town (230,073)Amherst Town (156,595)Pittsfield (128,047)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Nantucket County, Massachusetts has a population of 14,299 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in Massachusetts. Population density is 310 people per square mile.

The population of Nantucket County has grown 44.3% since 2010 (10,165 → 14,670), a +2.66% annualized rate.

The median household income in Nantucket County, Massachusetts is $119,750, with mean (average) household income of $194,491 and per-capita income of $72,733. 1.7% of residents live below the federal poverty level.

In Nantucket County, the largest racial and ethnic groups are White (70.8%), Black or African American (9.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Nantucket County, Massachusetts is 40.8 years. Residents are 49.2% female and 50.8% male.

The median home value in Nantucket County is $1,387,000 and median monthly rent is $2,070. 76.5% of occupied housing units are owner-occupied. The county has 12,449 total housing units, 59.5% of which are vacant.

The largest employment sector in Nantucket County, Massachusetts is professional, scientific, and management services, employing 24.6% of workers. The unemployment rate is 3.9%.

Boston is among the largest cities associated with Nantucket County, Massachusetts, with a population of 663,972.