Federal candidate · 2023–2024 cycle · past cycle
David Allen Costello
- Party
- Democratic
- Running for
- U.S. Senate · Maine
- Filing address
- Brunswick, ME (city and state on the FEC filing)
- FEC filing name
- COSTELLO, DAVID ALLEN
- Next election
- Primary June 11, 2024 · General November 5, 2024 (Wikipedia, checked October 23, 2026; confirm with your state election office)
Maine
FEC candidate ID S4ME00113 · Principal campaign committee: COSTELLO FOR SENATE
| Cycle | Office | Raised | Outcome |
|---|---|---|---|
| 2025–2026 | U.S. Senate · Maine | $154,377.10 | Lost primary |
| 2023–2024 | U.S. Senate · Maine | $111,307.55 | General-election nominee |
2023–2024 cycle totals through December 12, 2024, from the FEC’s candidate summary file. This is a dated snapshot, not live reporting; the FEC’s page for this candidate is the official source.
Where the money comes from
- Individual contributions$26,517.8124%
- Candidate’s own money (contributions and loans)$84,746.3676%
- Other receipts (loans from others, refunds, interest)$43.380%
Self-funding: $84,746.36 (76% of money raised): $7,746.36 given and $77,000.00 lent by the candidate. $77,000.00 of loans repaid so far.
Raised and spent over time
Report-by-report history is shown for the current cycle.
The race
Maine U.S. Senate, 2024 · 4 registered candidates
| Candidate | Raised | Cash on hand | Through |
|---|---|---|---|
| David Allen Costello (D) | $111,307.55 | $0.00 | 2024-12-12 |
| Angus S. King Jr. (I) | $5,368,767.00 | $238,716.77 | 2024-12-31 |
| Demi Kouzounas (R) | $1,027,791.62 | $0.00 | 2024-11-30 |
| Jason Seth Cherry (I) | $110,021.44 | $21.44 | 2024-12-22 |
Polling and ratings
Race ratings
Recent polls
| Pollster | Dates | Sample | Margin of error | Results |
|---|---|---|---|---|
| University of New Hampshire | October 29 – November 2, 2024 | 1,485 (LV) | ± 2.4% | Angus King 50% · Demi Kouzounas 35% · David Costello 7% |
| SurveyUSA | October 24–29, 2024 | 1,079 (LV) | ± 3.6% | Angus King 54% · Demi Kouzounas 28% · David Costello 8% |
| Pan Atlantic Research | September 5–15, 2024 | 812 (LV) | ± 3.5% | Angus King 53% · Demi Kouzounas 23% · David Costello 8% |
| University of New Hampshire | August 15–19, 2024 | 951 (LV) | ± 3.2% | Angus King 43% · Demi Kouzounas 33% · David Costello 9% |
| Digital Research | April 8–30, 2024 | 609 (RV) | ± 4.0% | Angus King 57% · Demi Kouzounas 28% · David Costello 12% |
Ratings and polls as listed on Wikipedia: 2024 United States Senate election in Maine (retrieved October 23, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.
Sources and updates
- Money: FEC bulk data (candidate summary, committee master, committee-to-candidate contributions), retrieved October 23, 2026. FEC candidate page · Principal campaign committee: COSTELLO FOR SENATE.
- Polling, ratings and candidate status: Wikipedia, retrieved October 23, 2026 (CC BY-SA 4.0).
- Status shown above comes from the race’s Wikipedia page.
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