† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupDedhamMassachusettsUnited States
Irish27.9%18.6%9.4%
Italian13.6%11.1%4.8%
English10.7%9.7%9.5%
German6.6%5.4%12.5%
American4.5%3.3%5.3%
Polish3.6%3.4%2.2%
French3.0%4.7%1.6%
Scottish2.3%—1.3%
Puerto Rican1.8%4.6%1.8%
Dominican1.2%2.7%0.7%
Mexican1.0%0.8%11.3%
Cuban0.4%0.2%0.7%
Colombian0.4%0.6%0.4%
Guatemalan0.3%0.8%0.5%
Salvadoran0.3%1.1%0.7%
Ecuadorian0.3%0.3%—
African American†2.9%2.6%9.9%
Haitian1.4%1.1%0.3%
Jamaican0.6%0.5%0.4%
Cape Verdean0.5%0.9%—
African0.4%0.3%0.5%
Nigerian0.4%0.2%0.2%
Chinese1.3%2.5%1.3%
Asian Indian0.6%1.9%1.4%
Vietnamese0.3%0.8%0.6%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Dedham
Massachusetts
United States
Median age
44.6
40.3
39.1
Age 18–24
7.5%
9.9%
9.2%
Age 65 and older
21.9%
17.9%
17.2%
Household economy
Measure
Dedham
Massachusetts
United States
Median household income
$128,955
$103,960
$84,427
Poverty rate
5.6%
10.1%
12.5%
Bachelor's degree or higher (25+)
55.0%
47.3%
35.6%
Languages at home
Measure
Dedham
Massachusetts
United States
Speaks a non-English language at home
18.1%
25.1%
22.3%
Spanish
5.5%
9.7%
13.6%
French (incl. Cajun & Haitian)
2.0%
1.9%
0.7%
Russian, Polish, or other Slavic
1.9%
1.0%
0.7%
Other Indo-European
4.8%
6.1%
2.0%
Religious landscape
Measure
Dedham
Massachusetts
United States
Catholic
—
35.5%
18.6%
Evangelical Protestant
—
3.6%
16.5%
Unclaimed / not counted
—
51.4%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Dedham, Massachusetts
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+16.9%
2008
+13.8%
2012
+15.2%
2016
+26.6%
2020
+37.7%
2024
+29.2%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
62.5%Harris9,494
33.3%Trump5,059
4.1%
D+29.2
R+8.5
D+30.7
15,179
D
67.8%Biden10,760
30.1%Trump4,771
2.1%
D+37.7
D+11.1
D+33.3
15,867
D
59.8%Clinton8,621
33.1%Trump4,778
7.1%
D+26.6
D+11.4
D+24.5
14,427
D
56.8%Obama7,997
41.6%Romney5,857
1.5%
D+15.2
D+1.5
D+11.4
14,068
D
56.0%Obama7,108
42.2%McCain5,361
1.8%
D+13.8
R+3.1
D+6.5
12,698
D
57.6%Kerry7,074
40.8%Bush5,002
1.6%
D+16.9
—
D+19.3
12,273
Dedham sits just southwest of Boston in a corridor where inner-suburb demographics have shifted steadily toward higher educational attainment, a pattern that has reshaped turnout composition in statewide races over the past decade.
Across the recorded series it reached a Democratic high of 37.7 points in 2020. Between 2020 and 2024 the city moved 8.5 points toward the Republican candidate; the 2024 margin was 29.2 points.
A population of 25,237, a 80% non-Hispanic-white share, and a median household income of $128,955 describe the city. The city's voting pattern over the last decade is most similar to that of Franklin Town and Norwood.
Akashic
Political twins — cities
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
In 2024, Dedham, Massachusetts voted Democratic by 29.2 points (D+29.2), carried by the Democratic candidate. Out of 15,179 votes cast, 9,494 went Democratic and 5,059 went Republican.
How many people live in Dedham, Massachusetts?
Dedham, Massachusetts has a population of 25,237 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Dedham, Massachusetts?
Median household income in Dedham, Massachusetts is $128,955 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Dedham, Massachusetts?
Akashic tracks 6 presidential elections in Dedham, Massachusetts from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
