Middlesex, Massachusetts — Presidential Election Results
Middlesex, Massachusetts has voted Democratic in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 14.5 pts more Dem. than Massachusetts overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Massachusetts |
|---|---|---|---|---|---|---|---|---|
| 2000 | Al Gore | Democratic | 404,043 | 61.5% | 31.2 pts (205,129 votes) | 657,048 | — | 4.4 pts more Dem. |
| 2004 | John Kerry | Democratic | 440,862 | 64.0% | 29.5 pts (203,047 votes) | 688,960 | -4.1 pts | 4.4 pts more Dem. |
| 2008 | Barack Obama | Democratic | 464,484 | 64.0% | 30.1 pts (218,715 votes) | 726,031 | +0.9 pts | 4.4 pts more Dem. |
| 2012 | Barack Obama | Democratic | 471,804 | 62.6% | 27.1 pts (204,483 votes) | 754,170 | -3.1 pts | 4.1 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 520,360 | 66.4% | 38.3 pts (300,567 votes) | 784,034 | +12.9 pts | 11.3 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 617,196 | 71.0% | 44.9 pts (390,240 votes) | 869,347 | +5.6 pts | 12.0 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 554,471 | 68.0% | 39.2 pts (319,353 votes) | 814,832 | -5.8 pts | 14.5 pts more Dem. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 1,467,248 | 44.8% of population |
| 2004 | 1,459,232 | 47.2% of population |
| 2008 | 1,477,049 | 49.2% of population |
| 2012 | 1,542,867 | 48.9% of population |
| 2016 | 1,594,664 | 49.2% of population |
| 2020 | 1,627,578 | 53.4% of population |
| 2024 | 1,668,956 | 48.8% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Middlesex shifted 6.4 points toward the Democratic candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Middlesex has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Massachusetts's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other Massachusetts Counties
Frequently Asked Questions
How has Middlesex voted in presidential elections since 2000?
Since 2000, Middlesex has voted Democratic in 7 of 7 recorded presidential elections and Republican in 0 of 7, based on county-level returns through 2024.
What was the closest presidential election in Middlesex?
Middlesex's closest recorded margin was in 2012, when Barack Obama (Democratic) won by 27.7 points (204,483 votes) out of 754,170 total votes cast.
Has Middlesex ever flipped between parties?
Not in the 2000-2024 record on this page -- Middlesex has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Middlesex?
The widest margin on record for Middlesex was in 2020, when Joseph R Biden Jr (Democratic) won by 46.2 points.
How many votes were cast in Middlesex relative to its population?
In 2024, 814,832 votes were recorded in Middlesex against a total population of 1,668,956 (48.8% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Middlesex a presidential bellwether county?
Middlesex has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Massachusetts's own statewide winner in 7 of 7 (100%).