Presidential elections · 2000–2024
Middlesex County, CT — Presidential Election Results (2000–2024)
In 2024, Middlesex County, Connecticut voted for Kamala D. Harris (Democratic) by D+12.8 — 54,173 Democratic to 41,654 Republican of 97,519 votes cast. From 2020 to 2024 it shifted 3.5 points toward Republicans. That makes it 1.7 points more Republican than Connecticut overall (D+14.5).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Connecticut election results are reported for its eight legacy counties, like Middlesex County. These no longer function as governments and don't match the planning-region boundaries used on modern Connecticut maps, but they remain the grain of the official returns.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Middlesex County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 54,173 | 41,654 | 1,692 | 55.6% | 42.7% | D+12.8 |
| 2020 | 56,848 | 40,665 | 1,685 | 57.3% | 41.0% | D+16.3 |
| 2016 | 45,357 | 38,867 | 4,400 | 51.2% | 43.9% | D+7.3 |
| 2012 | 47,855 | 34,591 | 1,092 | 57.3% | 41.4% | D+15.9 |
| 2008 | 52,966 | 32,907 | 1,282 | 60.8% | 37.8% | D+23.0 |
| 2004 | 47,292 | 35,252 | 1,440 | 56.3% | 42.0% | D+14.3 |
| 2000 | 43,319 | 29,295 | 4,819 | 55.9% | 37.8% | D+18.1 |
Similar-sized counties in Connecticut
Middlesex County presidential elections — FAQ
Who carried Middlesex County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Middlesex County, Connecticut in 2024 by D+12.8, with 97,519 votes cast. Data: MIT Election Data & Science Lab.
How did Middlesex County shift between 2020 and 2024?+
Middlesex County shifted 3.5 points toward Republicans between 2020 (D+16.3) and 2024 (D+12.8).
Is Middlesex County more Democratic or Republican than Connecticut overall?+
In 2024, Middlesex County went D+12.8 while Connecticut overall went D+14.5 — 1.7 points more Republican than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.