Dukes County, Massachusetts: Diversifying Metro county. In 2024, voted D+52%. Republican peak: R+79 in 1924.
Key facts
- 2024 presidential margin
- D+52MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 20,9332024 5-year
- Median household income
- $125,7862024 5-year
- White (non-Hispanic)
- 80.5%2024 5-year
- Black
- 2.7%2024 5-year
- Hispanic / Latino
- 3.3%2024 5-year
- Peak Democratic margin
- D+57 in 2020MIT Election Lab
- Peak Republican margin
- R+79 in 1924MIT Election Lab
- Most similar
- Hampshire County, MA · similarity 1.00
2024 results by precinct
2024 precinct map of Dukes CountyPrecinct-level 2024 presidential results for Dukes County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −39.6% |
| 1896 | −69.9% |
| 1900 | −64.5% |
| 1904 | −64.2% |
| 1908 | −59.5% |
| 1912 | −7.0% |
| 1916 | −19.7% |
| 1920 | −73.9% |
| 1924 | −79.0% |
| 1928 | −51.9% |
| 1932 | −38.6% |
| 1936 | −27.7% |
| 1940 | −23.6% |
| 1944 | −22.9% |
| 1948 | −40.7% |
| 1952 | −52.3% |
| 1956 | −65.7% |
| 1960 | −21.8% |
| 1964 | +36.5% |
| 1968 | −1.1% |
| 1972 | −7.2% |
| 1976 | +2.9% |
| 1980 | +10.4% |
| 1984 | +8.6% |
| 1988 | +29.2% |
| 1992 | +31.3% |
| 1996 | +44.1% |
| 2000 | +35.7% |
| 2004 | +46.6% |
| 2008 | +51.8% |
| 2012 | +47.3% |
| 2016 | +50.0% |
| 2020 | +56.6% |
| 2024 | +52.4% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 9,137 | 2,745 | 12,209 | ||
| D | 9,914 | 2,631 | 12,873 | ||
| D | 8,400 | 2,477 | 11,851 | ||
| D | 7,978 | 2,792 | 10,968 | ||
| D | 7,913 | 2,442 | 10,553 | ||
| D | 7,265 | 2,602 | 9,997 | ||
| D | 5,474 | 2,315 | 8,856 | ||
| D | 5,137 | 1,739 | 7,702 | ||
| D | 4,292 | 1,827 | 7,888 | ||
| D | 4,495 | 2,441 | 7,025 | ||
| D | 3,313 | 2,788 | 6,125 | ||
| D | 2,370 | 1,809 | 5,397 | ||
| D | 2,513 | 2,365 | 5,135 | ||
| R | 2,001 | 2,312 | 4,336 | ||
| R | 1,540 | 1,576 | 3,196 | ||
| D | 2,187 | 1,015 | 3,214 | ||
| R | 1,282 | 1,998 | 3,286 | ||
| R | 541 | 2,618 | 3,160 | ||
| R | 760 | 2,432 | 3,198 | ||
| R | 720 | 1,731 | 2,484 | ||
| R | 861 | 1,372 | 2,234 | ||
| R | 1,014 | 1,643 | 2,670 | ||
| R | 931 | 1,655 | 2,615 | ||
| R | 583 | 1,330 | 1,933 | ||
| R | 470 | 1,487 | 1,958 | ||
| R | 108 | 1,182 | 1,360 | ||
| R | 150 | 1,013 | 1,168 | ||
| R | 309 | 464 | 787 | ||
| O | 215 | 269 | 774 | ||
| R | 133 | 589 | 767 | ||
| R | 120 | 602 | 751 | ||
| R | 114 | 617 | 780 | ||
| R | 91 | 691 | 858 | ||
| R | 238 | 588 | 884 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
19.2%
English
14.6%
Italian
14.5%
German
9.0%
Scottish
4.0%
French
3.6%
American
3.2%
African American
2.2%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 50.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$125,786
Dukes County ranks in the top 0.5% of US counties.
Dukes County$125,786
Massachusetts$103,960
United States$80,734
Dukes County ranks in the top 0.5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
4.4%
Child poverty is below the national average.
Children under 185.3%
Working age (18–64)4.8%
Seniors (65+)0.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
85.9%
speak English only
Other Indo-European9.9%
Spanish3.1%
Asian & Pacific Islander0.9%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 74.9% of residents not counted as adherents by any reporting body.
This island county's seasonal population swells well beyond its 15,000 year-round residents, but its electorate consistently tilts heavily Democratic — the 2024 presidential margin of D+52 ranks among the most lopsided in Massachusetts.
The Democratic margin here reached fifty-seven points in 2020. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was fifty-two points.
A population of 20,933, a 81% non-Hispanic-white share, and a median household income of $125,786 describe the county. The county's voting pattern over the last decade is most similar to that of Hampshire County and Orleans Parish.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Dukes County, Massachusetts. Akashic. https://akashic.app/county/25007/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Massachusetts
More diversifying metro counties
Frequently asked questions
How did Dukes County, Massachusetts vote in 2024?
In 2024, Dukes County, Massachusetts voted Democratic by 52.4 points (D+52), carried by the Democratic candidate. Out of 12,209 votes cast, 9,137 went Democratic and 2,745 went Republican.
What is Dukes County, Massachusetts's political typology?
Akashic places Dukes County, Massachusetts in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 14 times, Republican 19 times, and other 1 times.
When did Dukes County, Massachusetts last vote Republican?
The most recent presidential election in which Dukes County, Massachusetts voted Republican was 1972.
How many people live in Dukes County, Massachusetts?
Dukes County, Massachusetts has a population of 20,933 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Dukes County, Massachusetts?
Median household income in Dukes County, Massachusetts is $125,786 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Dukes County, Massachusetts?
Akashic tracks 38 presidential elections in Dukes County, Massachusetts from 1876 to 2024. Of those, 14 went Democratic and 19 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.