† 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
GroupSomervilleMassachusettsUnited States
Irish19.1%18.6%9.4%
Italian12.6%11.1%4.8%
English10.1%9.7%9.5%
German6.6%5.4%12.5%
French3.3%4.7%1.6%
Polish3.2%3.4%2.2%
American3.2%3.3%5.3%
French Canadian2.4%——
Chinese3.9%2.5%1.3%
Asian Indian3.4%1.9%1.4%
Cambodian0.9%0.4%—
Vietnamese0.8%0.8%0.6%
Korean0.7%0.4%0.4%
Nepalese0.3%——
Taiwanese0.3%——
Filipino0.2%0.2%0.9%
Puerto Rican2.8%4.6%1.8%
Salvadoran1.6%1.1%0.7%
Mexican1.1%0.8%11.3%
Guatemalan1.0%0.8%0.5%
Dominican0.9%2.7%0.7%
Colombian0.7%0.6%0.4%
Ecuadorian0.4%0.3%—
Cuban0.2%0.2%0.7%
African American†2.1%2.6%9.9%
Haitian0.9%1.1%0.3%
African0.4%0.3%0.5%
Nigerian0.2%0.2%0.2%
Ethiopian0.2%——
Jamaican0.2%0.5%0.4%
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
Somerville
Massachusetts
United States
Median age
31.9
40.3
39.1
Age 18–24
14.1%
9.9%
9.2%
Age 65 and older
9.9%
17.9%
17.2%
Household economy
Measure
Somerville
Massachusetts
United States
Median household income
$132,572
$103,960
$84,427
Poverty rate
9.8%
10.1%
12.5%
Bachelor's degree or higher (25+)
69.4%
47.3%
35.6%
Languages at home
Measure
Somerville
Massachusetts
United States
Speaks a non-English language at home
28.6%
25.1%
22.3%
Spanish
8.9%
9.7%
13.6%
French (incl. Cajun & Haitian)
1.9%
1.9%
0.7%
Other Indo-European
9.4%
6.1%
2.0%
Chinese (incl. Mandarin & Cantonese)
2.6%
2.2%
1.1%
Religious landscape
Measure
Somerville
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.
Somerville, Massachusetts
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+65.5%
2008
+65.8%
2012
+69.6%
2016
+73.2%
2020
+77.6%
2024
+71.8%
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
83.1%Harris33,218
11.3%Trump4,512
5.6%
D+71.8
R+5.7
D+73.3
39,964
D
87.7%Biden37,070
10.2%Trump4,292
2.1%
D+77.6
D+4.3
D+73.1
42,254
D
83.5%Clinton33,778
10.2%Trump4,137
6.3%
D+73.2
D+3.6
D+71.2
40,471
D
83.8%Obama29,184
14.2%Romney4,937
2.0%
D+69.6
D+3.8
D+65.8
34,816
D
81.8%Obama26,665
16.0%McCain5,215
2.2%
D+65.8
D+0.3
D+58.5
32,595
D
81.9%Kerry25,299
16.4%Bush5,056
1.8%
D+65.5
—
D+68.0
30,902
Somerville packs more than 18,000 residents per square mile into a compact footprint just north of Boston, producing some of the highest Democratic vote shares in Massachusetts. Its electorate skews young, highly educated, and renter-heavy.
Across the recorded series it reached a Democratic high of 77.6 points in 2020. Between 2020 and 2024 the city moved 5.7 points toward the Republican candidate; the 2024 margin was 71.8 points.
A population of 81,036, a 66% non-Hispanic-white share, and a median household income of $132,572 describe the city. The city's voting pattern over the last decade is most similar to that of Cambridge and Brookline.
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, Somerville, Massachusetts voted Democratic by 71.8 points (D+71.8), carried by the Democratic candidate. Out of 39,964 votes cast, 33,218 went Democratic and 4,512 went Republican.
How many people live in Somerville, Massachusetts?
Somerville, Massachusetts has a population of 81,036 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Somerville, Massachusetts?
Median household income in Somerville, Massachusetts is $132,572 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Somerville, Massachusetts?
Akashic tracks 6 presidential elections in Somerville, Massachusetts from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
