Elections / 2018 · Senate · MA
Massachusetts — 2018 U.S. Senate election
Recent presidential results
Akashicstate2018 Senate electionMassachusetts · U.S. SenateWarrenD+24.2
How it voted
Share of the 2018 vote
| Elizabeth A. Warren (i) ✓Democrat | 60.3% | 1,633,371 |
|---|---|---|
| Geoff DiehlRepublican | 36.2% | 979,210 |
| Shiva AyyaduraiUnenrolled | 3.4% | 91,710 |
2018Senate margin
D+60R+60
14 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
County-level results (14 counties) — table
| County | Winner | Margin |
|---|---|---|
| BARNSTABLE, MA | Democratic | D+9.2 |
| BERKSHIRE, MA | Democratic | D+47.0 |
| BRISTOL, MA | Democratic | D+7.9 |
| DUKES, MA | Democratic | D+50.1 |
| ESSEX, MA | Democratic | D+18.4 |
| FRANKLIN, MA | Democratic | D+42.8 |
| HAMPDEN, MA | Democratic | D+15.2 |
| HAMPSHIRE, MA | Democratic | D+44.9 |
| MIDDLESEX, MA | Democratic | D+35.7 |
| NANTUCKET, MA | Democratic | D+31.5 |
| NORFOLK, MA | Democratic | D+20.4 |
| PLYMOUTH, MA | Republican | R+1.1 |
| SUFFOLK, MA | Democratic | D+60.2 |
| WORCESTER, MA | Democratic | D+6.9 |
presidential baselinePresident 2016D+26.8Senate 2018D+24.2vs. baselineR+2.6
Massachusetts's 2018 Senate race ran 2.6 points more Republican than its 2016 presidential margin.
Massachusetts's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | +40.3% |
| 1978 | +10.2% |
| 1982 | +22.6% |
| 1984 | +10.1% |
| 1988 | +31.0% |
| 1990 | +13.6% |
| 1994 | +17.1% |
| 1996 | +7.5% |
| 2000 | +59.8% |
| 2002 | +81.0% |
| 2006 | +38.8% |
| 2008 | +34.9% |
| 2012 | +7.5% |
| 2014 | +23.9% |
| 2018 | +24.2% |
| 2020 | +33.2% |
| 2024 | +19.8% |
Same ballot, 2018MA
Source. MIT Election Data + Science Lab — 2018 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.