Massachusetts increased 3 seats to 17 in reapportionment after the 1800 census. Massachusetts law at the time required a majority for election to an office, which requirement was not met in the, requiring two additional ballots.
| District | Incumbent | Party | First elected | Result | Candidates[1] | |||
|---|---|---|---|---|---|---|---|---|
| William Eustis | Democratic-Republican | 1800 | Incumbent re-elected. | nowrap | √ William Eustis (Democratic-Republican) 50.8% John Quincy Adams (Federalist) 49.2% | |||
| Nathan Read | Federalist | 1800 (Special) | Incumbent retired. New member elected. Democratic-Republican gain. | nowrap | √ Jacob Crowninshield (Democratic-Republican) 51.9% Timothy Pickering (Federalist) 48.0% | |||
| Manasseh Cutler | Federalist | 1800 | Incumbent re-elected. | nowrap | √ Manasseh Cutler (Federalist) 75.5% Thomas Kitteridge (Democratic-Republican) 21.4% Others 3.1% | |||
| Joseph Bradley Varnum | Democratic-Republican | 1795 | Incumbent re-elected. | nowrap | √ Joseph Bradley Varnum (Democratic-Republican) 70.1% Timothy Bigelow (Federalist) 27.7% Samuel Kendall (Federalist) 1.8% | |||
| William Shepard | Federalist | 1797 | Incumbent retired. New member elected. Federalist hold. | nowrap | √ Thomas Dwight (Federalist) 78.0% Samuel Fowler (Democratic-Republican) 9.5% Jonathan Smith (Democratic-Republican) 5.8% Scattering 6.7% | |||
| Ebenezer Mattoon | Federalist | 1800 (Special) | Incumbent retired. New member elected. Federalist hold. | nowrap | First ballot : Hugh McClallan (Federalist) 29.5% John Williams (Federalist) 15.2% Samuel Taggart (Federalist) 14.9% Solomon Snead (Democratic-Republican) 12.3% Joseph Lyman (Federalist) 10.1% Solomon Nose (Federalist) 8.0% Edward Upham (Democratic-Republican) 5.2% Zebina Montague 4.8% Second ballot : Hugh McClallan (Federalist) 36.9% Samuel Taggart (Federalist) 27.5% Solomon Snead (Democratic-Republican) 21.2% John Williams (Federalist) 14.4% Third ballot : √ Samuel Taggart (Federalist) 73.2% Hugh McClallan (Federalist) 26.8% | |||
| Josiah Smith | Democratic-Republican | 1801 | Incumbent retired. New member elected. Federalist gain. | nowrap | √ Nahum Mitchell (Federalist) 58.3% Henry Warren (Democratic-Republican) 41.6% | |||
| Lemuel Williams | Federalist | 1799 | Incumbent re-elected. | nowrap | √ Lemuel Williams (Federalist) 55.5% Isaiah L. Green (Democratic-Republican) 44.5% | |||
| Phanuel Bishop | Democratic-Republican | 1799 | Incumbent re-elected. | nowrap | √ Phanuel Bishop (Democratic-Republican) 57.3% Laban Wheaton (Federalist) 42.4% | |||
| Seth Hastings | Federalist | 1801 (Special) | Incumbent re-elected. | nowrap | √ Seth Hastings (Federalist) 62.2% Edward Bangs (Democratic-Republican) 37.3% | |||
| None (District created) | New seat. New member elected. Federalist gain. | nowrap | √ William Stedman (Federalist) 71.7% John Whiting (Democratic-Republican) 27.9% | |||||
| John Bacon | Democratic-Republican | 1801 | Incumbent retired. New member elected. Democratic-Republican hold. | nowrap | √ Thomson J. Skinner (Democratic-Republican) 58.4% Daniel Dewey (Federalist) 41.0% | |||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | √ Ebenezer Seaver (Democratic-Republican) 65.1% Oliver N. Everett (Federalist) 29.4% Samuel Dexter (Democratic-Republican) 2.8% Benjamin Hitchbourne (Democratic-Republican) 2.8% | |||||
| Richard Cutts | Democratic-Republican | 1801 (Special) | Incumbent re-elected. | nowrap | √ Richard Cutts (Democratic-Republican) 52.3% John Lord (Federalist) 44.4% Moses Sweat (Federalist) 3.2% | |||
| Peleg Wadsworth | Federalist | 1793 | Incumbent re-elected. | nowrap | √ Peleg Wadsworth (Federalist) 88.5% Isaac Parsons 8.5% Scattering 3.0% | |||
| Samuel Thatcher | Federalist | 1802 (Special) | Incumbent re-elected. | nowrap | √ Samuel Thatcher (Federalist) 63.7% William King (Democratic-Republican) 18.1% John Farley (Democratic-Republican) 12.7% Scattering 5.5% | |||
| None (District created) | New seat. New member elected. Federalist gain. | nowrap | √ Phineas Bruce (Federalist) 57.5% Martin Kinsley (Democratic-Republican) 42.5% | |||||