Massachusetts' 3rd Congressional District: Map, Representative, Demographics
Counties in this district
- Essex County
- Middlesex County
- Worcester County
Find your district on the district map.
Your representatives
Lori Trahan
Democrat
Representative since Jan 3, 2019
Raised $1,639,978 · Cash on hand $1,773,389 (2026 cycle) · FEC filing ↗ · Through Aug 12, 2026
How Lori Trahan voted
| Date | Measure | Position | Chamber result |
|---|---|---|---|
| 9/16/26 | House On Motion to Suspend the Rules and Pass Suspension of the rulesA fast-track House procedure, usually for measures expected to have broad support. Debate is limited to 40 minutes, no amendments can be offered, and it needs a two-thirds vote of members voting — not a simple majority. A yes vote passes the bill.Rules of the House, Rule XV, clause 1 ↗ Passage | Yea | Passed |
| 9/16/26 | House On Motion to Suspend the Rules and Pass, as Amended Suspension of the rulesA fast-track House procedure, usually for measures expected to have broad support. Debate is limited to 40 minutes, no amendments can be offered, and it needs a two-thirds vote of members voting — not a simple majority. A yes vote passes the bill. “As amended” means changes written into the motion itself are included.Rules of the House, Rule XV, clause 1 ↗ Passage | Yea | Passed |
| 9/16/26 | House On Motion to Suspend the Rules and Pass, as Amended Suspension of the rulesA fast-track House procedure, usually for measures expected to have broad support. Debate is limited to 40 minutes, no amendments can be offered, and it needs a two-thirds vote of members voting — not a simple majority. A yes vote passes the bill. “As amended” means changes written into the motion itself are included.Rules of the House, Rule XV, clause 1 ↗ Passage | Yea | Passed |
| 9/16/26 | House On Passage PassageThe vote on whether this chamber approves the measure — usually by a simple majority of those voting. It becomes law only once both chambers pass the same text and the president signs it, or Congress overrides a veto.House: The Legislative Process ↗ Passage | Nay | Passed |
| 9/16/26 | House On Passage PassageThe vote on whether this chamber approves the measure — usually by a simple majority of those voting. It becomes law only once both chambers pass the same text and the president signs it, or Congress overrides a veto.House: The Legislative Process ↗ Passage | Nay | Passed |
Edward J. Markey Democrat · U.S. SenatorFull profile →
Elizabeth Warren Democrat · U.S. SenatorFull profile →
2026 elections
Election day is Tuesday, Nov. 3, 2026.
Past results
2022 general election
| Candidate | Party | Votes | Percent |
|---|---|---|---|
| Lori Loureiro TrahanWinner | D | 154,496 | 63.50% |
| Dean A. Tran | R | 88,585 | 36.41% |
| All Others | Write-in | 220 | 0.09% |
2020 general election
Held under different district lines
| Candidate | Party | Votes | Percent |
|---|---|---|---|
| Lori Loureiro TrahanWinner | D | 286,896 | 97.74% |
| All Others | Write-in | 6,643 | 2.26% |
Demographics
| Measure | This district | Massachusetts | United States |
|---|---|---|---|
| Population | 792,213 | 7,136,171 | 340,110,990 |
| Median age (years) | 39.8 | 40.1 | 39.2 |
| Median household income | $98,501 | $104,828 | $81,604 |
| Below poverty level | 10.7% | 9.7% | 12.1% |
| Bachelor's degree or higher (age 25+) | 39.5% | 48.3% | 36.8% |
| Race and ethnicity | |||
| Hispanic or Latino (of any race) | 24.8% | 14.0% | 20.0% |
| Not Hispanic or Latino | |||
| White alone | 55.7% | 65.0% | 56.3% |
| Black or African American alone | 4.5% | 6.3% | 11.7% |
| Asian alone | 8.8% | 7.6% | 6.2% |
| American Indian and Alaska Native alone, Native Hawaiian and Other Pacific Islander alone, Some Other Race alone, Two or More Races | 6.3% | 7.0% | 5.8% |
| Foreign-born | 22.9% | 18.7% | 14.8% |
| Veterans (civilian adults 18+) | 3.8% | 3.9% | 5.9% |
Census estimates. American Community Survey 2024 1-year, Data Profile ↗