Middlesex County, Massachusetts
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 404,043 | 61.5% | 198,914 | 30.3% | 54,091 | 8.2% | 657,048 |
| 2004 | 440,862 | 64.0% | 237,815 | 34.5% | 10,283 | 1.5% | 688,960 |
| 2008 | 464,484 | 64.0% | 245,769 | 33.9% | 15,778 | 2.2% | 726,031 |
| 2012 | 471,804 | 62.6% | 267,321 | 35.4% | 15,045 | 2.0% | 754,170 |
| 2016 | 520,360 | 66.4% | 219,793 | 28.0% | 43,881 | 5.6% | 784,034 |
| 2020 | 617,196 | 71.0% | 226,956 | 26.1% | 25,195 | 2.9% | 869,347 |