RepublicanNo state or federal office heldLost the 2018 general
Geoff Diehl
Ran in 1 election in 2018.
- Last margin
- −24.2
- Lost 2018
- Elections
- 1
- 2018
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Every race Diehl has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Diehl won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2018 | U.S. Senate, Massachusetts | General | Lost | Elizabeth Warren (D), Shiva Ayyadurai (I) | 36.2% | D+24.2 | $3M | D+29.3 |
Source: 99chambers results archive
Money
Diehl’s campaign fundraising.
- Raised, 2017–18
- $3M
Source: FEC filings through Dec 31, 2018Updated Oct 8, 2026, 10:37 AM ET
In the polls
Included in 14 polls; Diehl’s best result was 34% (U.S. Senate in Massachusetts, 2018).
Diehl’s polls in the database →Who Diehl has run against
- Elizabeth Warren (D) · 2018 election, lost
Source: 99chambers results archive
How we know Diehl
One person, matched across every source we use.
- FEC S8MA00276
Source: Identity links: Wikidata, congress-legislators, Open States, FEC