Dukes County vs Nantucket County

A side-by-side comparison of Dukes County and Nantucket County: population, income, housing, and more.

Dukes County and Nantucket County are counties in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Dukes County has the higher population (20,751 vs 14,299 in Nantucket County). Nantucket County has the higher median household income ($119,750 vs $102,348 in Dukes County). Nantucket County has the higher median home value ($1,387,000 vs $1,104,100 in Dukes County).

Population, income & housing

	Dukes County	Nantucket County
Population	20,751	14,299
Median age	50.4 yrs	40.8 yrs
Median household income	$102,348	$119,750
Median home value	$1,104,100	$1,387,000
Median gross rent	$1,371	$2,070
Housing units	17,713	12,449
Homeownership rate	74.6%	76.5%
Bachelor's degree or higher	49.0%	58.4%
Unemployment rate	6.7%	5.3%

Trends (ACS 5-year, 2019–2023)

	Dukes County	Nantucket County
Population	17,312 → 20,751 (+19.9%)	11,168 → 14,299 (+28.0%)
Median household income	$71,811 → $102,348 (+42.5%)	$107,717 → $119,750 (+11.2%)
Median home value	$699,500 → $1,104,100 (+57.8%)	$1,084,700 → $1,387,000 (+27.9%)
Median gross rent	$1,459 → $1,371 (-6.0%)	$1,764 → $2,070 (+17.3%)

Dukes County

Population

17,31220,751

Median household income

$71,811$102,348

Median home value

$699,500$1,104,100

Median gross rent

$1,459$1,371

Nantucket County

Population

11,16814,299

Median household income

$107,717$119,750

Median home value

$1,084,700$1,387,000

Median gross rent

$1,764$2,070

Age & race/ethnicity

Age distribution (share)

	Dukes County	Nantucket County
Under 5	4.0%	4.8%
5 to 17	13.3%	15.8%
18 to 24	5.9%	6.4%
25 to 34	10.4%	10.9%
35 to 44	10.5%	18.9%
45 to 54	11.8%	14.4%
55 to 64	18.0%	13.4%
65 to 74	15.7%	9.7%
75 and over	10.3%	5.8%

Race & ethnicity (share)

	Dukes County	Nantucket County
White (non-Hispanic)	81.1%	69.1%
Black or African American	3.3%	9.1%
American Indian & Alaska Native	1.1%	0.0%
Asian	1.4%	1.8%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	2.5%	0.8%
Two or more races	7.4%	2.8%
Hispanic or Latino	3.1%	16.4%

Educational attainment (age 25+)

Share of adults 25+

	Dukes County	Nantucket County
No high school diploma	4.8%	4.0%
High school graduate	22.1%	16.0%
Some college or associate's	24.1%	21.6%
Bachelor's degree	26.2%	37.1%
Graduate or professional degree	22.9%	21.3%

Commute to work

How workers get to work (share)

	Dukes County	Nantucket County
Drove alone	64.6%	69.9%
Carpooled	7.7%	7.6%
Public transit	1.6%	0.8%
Walked	6.5%	5.9%
Bicycle	0.6%	2.7%
Worked from home	18.4%	11.8%
Other means	0.7%	1.2%

Housing

Units in structure (share)

	Dukes County	Nantucket County
1-unit, detached	88.4%	83.7%
1-unit, attached	2.7%	6.5%
2 to 4 units	5.7%	7.4%
5 to 19 units	2.4%	0.9%
20 or more units	0.8%	1.1%
Mobile home & other	0.1%	0.5%

Poverty & households

	Dukes County	Nantucket County
Poverty rate	5.4%	3.0%
Average household size	2.78	2.78
Mean commute (minutes)	17	15
Median year structure built	1981	1983