County · Massachusetts

Dukes County, Massachusetts

Dukes County, Massachusetts. Dukes County had 21,219 residents in 2025 by the Census Bureau's estimate, up 3.0% since 2020, faster than Massachusetts (+1.7%). It holds 10 places (7 towns and townships and 3 census-designated) and 5 census tracts. GEOID 25007.

Dukes County is the county of the Vineyard Haven, MA micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

21,219

Census Bureau estimate (no margin published)
2020 Census count: 20,600 · ACS 2020-2024: 20,933

Median household income

$125,786

±$14,169 (90% margin)
Massachusetts: $103,960

Median home value

$1,165,800

±$68,458 (90% margin)
Massachusetts: $562,100

Median gross rent

$1,277

±$413 (90% margin)
Massachusetts: $1,762

How many people live in Dukes County, and is it growing?

The 2020 Census counted 20,600 residents in Dukes County. The Census Bureau estimates 21,219 for July 1, 2025, up 3.0% since 2020, faster than Massachusetts (+1.7%). The 2020-2024 American Community Survey puts the population at 20,933 over 103 square miles of land.

  • July 2020→2021 +530 (21,110)
  • 2021→2022 −29 (21,081)
  • 2022→2023 −18 (21,063)
  • 2023→2024 +291 (21,354)
  • 2024→2025 −135 (21,219)
Dukes County in Massachusetts. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureDukes CountyMassachusettsChange since 2015-2019
Total population20,9337,044,056+3,621
Households7,584±6202,785,042+819
Average household size2.73±0.232.44no clear change
Housing units17,822±213,030,406−80

Dukes County's population since 2000

From 14,987 in 2000 to 21,219 in 2025: up 41.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 14,987
  • 2005 (estimate) 15,743
  • 2010 Census 16,535
  • 2015 (estimate) 17,290
  • 2020 Census 20,600
  • 2025 (estimate) 21,219

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Dukes County?

Dukes County holds 10 places: 7 towns and townships (county subdivisions with their own government) and 3 census-designated places. The largest is Oak Bluffs with 5,428 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Dukes County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Oak Bluffstown5,3415,407±20$145,196$923,1002.2%100%
Edgartowntown5,1685,278±12$125,236$1,199,3004.7%100%
Tisburytown4,8154,893±17$74,113$993,6007.1%100%
West TisburyGEOID 2500778235town3,5553,080±481$182,750$1,302,1003.6%100%
Vineyard HavenCDP2,7472,469±566$77,665$847,4003.8%100%
Oak Bluffs CDPGEOID 2550425CDP2,3241,184±610not publishednot published3.7%100%
Chilmarktown1,2121,578±412$168,750$1,895,3004.1%100%
Edgartown CDPGEOID 2521115CDP1,107904±612$250,000 or more$2,000,000 or more0.0%100%
Aquinnahtown439666±160$146,354$1,878,7005.4%100%
GosnoldGEOID 2500726325town7031±29not published$700,0000.0%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Dukes County?

The median resident of Dukes County is 50.7 years old; 16.8% are under 18 and 26.5% are 65 or older. The largest group is non-Hispanic white residents at 80.0%, then non-Hispanic residents of two or more races at 8.6%. 13.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureDukes CountyMassachusettsChange since 2015-2019
Median age50.7±0.740.0+3.6
Under 18 years16.8%±0.1 pts19.4%–
65 years and over26.5%±0.7 pts17.9%–
Hispanic or Latino (any race)3.3%13.3%−0.3 pts
White alone, not Hispanic80.0%±3.5 pts66.6%−5.6 pts
Black or African American alone, not Hispanic2.7%±1.5 pts6.4%no clear change
Asian alone, not Hispanic1.5%±0.4 pts7.3%–
American Indian and Alaska Native alone, not Hispanic1.0%±0.2 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.2 pts0.0%–
Two or more races, not Hispanic8.6%±3.8 pts5.1%–
Some other race alone, not Hispanic2.9%±1.9 pts1.2%–
Born outside the United States13.8%±4.8 pts18.0%no clear change
Speak a language other than English at home (age 5+)14.1%±4.8 pts25.1%–
Civilian veterans (age 18+)6.2%±1.5 pts4.3%–
With a disability11.1%±2.4 pts12.3%–
No health insurance coverage2.1%±1.2 pts2.6%−3.2 pts
High school graduate or higher (age 25+)95.3%±2.2 pts91.4%–
Bachelor's degree or higher (age 25+)51.9%±5.1 pts47.3%+7.0 pts
Graduate or professional degree (age 25+)24.4%±4.5 pts21.8%–
Moved from another state in the past year5.7%±2.5 pts2.2%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Dukes County earn?

Half of Dukes County's 7,584 households earn less than $125,786 a year (±$14,169), against $103,960 in Massachusetts. In 2015-2019 the median was $88,377 in 2024 dollars, so it rose by $37,409 after inflation. 4.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureDukes CountyMassachusettsChange since 2015-2019
Median household income$125,786±$14,169$103,960+$37,409
Mean household income$205,357±$45,652$144,950–
Per capita income$79,756±$15,344$57,897+$23,156
People below the poverty line4.4%±1.8 pts10.0%−3.2 pts
Children under 18 below the poverty line5.3%±5.0 pts11.7%–
Households receiving SNAP6.6%±2.7 pts14.7%–
Households with a broadband subscription95.0%±2.9 pts92.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Dukes County?

Owners occupy 82.1% of Dukes County's occupied homes and renters 17.9%. The median owner-occupied home is valued at $1,165,800 by its owner (±$68,458). The median renter pays $1,277 a month including utilities, and 34.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureDukes CountyMassachusettsChange since 2015-2019
Median home value (owner-occupied)$1,165,800±$68,458$562,100+$304,930
Median gross rent$1,277±$413$1,762−$519
Renters paying 35% or more of income on rent34.1%±15.4 pts41.8%no clear change
Median monthly owner costs, with a mortgage$3,536±$271$2,726–
Owner-occupied homes82.1%±4.7 pts62.5%+9.8 pts
Housing units17,822±213,030,406−80
Homeowner vacancy rate1.6%±1.5 pts0.6%–
Rental vacancy rate6.5%±9.1 pts3.5%–
Single-family detached homes90.7%±2.4 pts51.1%–
Mobile homes0.0%±0.2 pts0.8%–
Built 2020 or later0.5%±0.5 pts1.0%–
Built 1939 or earlier19.2%±2.7 pts30.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Dukes County building?

Builders took permits for 183 new housing units across Dukes County in 2025 (99 single-family), 8.6 per 1,000 residents.

  • 2019 140 units
  • 2020 124 units
  • 2021 188 units
  • 2022 140 units
  • 2023 81 units
  • 2024 103 units
  • 2025 183 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Dukes County get to work?

60.6% of Dukes County's workers drive alone and 21.6% work from home. The average trip to work takes 16.4 minutes. The unemployment rate in 2020-2024 averaged 6.6%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureDukes CountyMassachusettsChange since 2015-2019
In the labor force (age 16+)67.3%±3.1 pts67.0%–
Unemployment rate6.6%±2.2 pts5.2%+3.2 pts
Drove alone to work60.6%±6.3 pts61.2%–
Carpooled8.1%±3.2 pts7.0%–
Public transportation1.5%±1.0 pts6.5%–
Walked7.1%±2.5 pts4.1%–
Worked from home21.6%±5.7 pts18.6%+9.1 pts
Mean travel time to work16.4 min±2.529.1 min+3.8 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Dukes County's census tracts?

Dukes County is divided into 5 census tracts. Among those with a reliable estimate, median household income runs from $74,113 (Tract 2001) to $161,625 (Tract 2004).

Census tracts of Dukes County, ACS 2020-2024 5-year estimates; sort by any column
Tract 200125007200100Vineyard Haven (45%)4,8154,893±17$74,113$993,600$6907.1%
Tract 200225007200200Oak Bluffs (68%)5,3415,407±20$145,196$923,100$1,0992.2%
Tract 200325007200300Edgartown (28%)5,1685,278±12$125,236$1,199,300$1,7964.7%
Tract 200425007200400–5,2765,355±17$161,625$1,489,700$2,0814.0%
Tract 990025007990000–00±14not publishednot publishednot published–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Dukes County compare with Massachusetts's other counties?

Dukes County's rank among Massachusetts's counties with a reliable estimate (1 = highest)
MeasureRank
Population13th of 14
Growth 2020-20253rd of 14
Residents per square mile12th of 14
Median household income4th of 14
Median home value2nd of 14
Median gross rent10th of 14
Poverty rate13th of 14
Bachelor's degree or higher4th of 14
Median age2nd of 14

Every county in Massachusetts

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Dukes County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.