U.S. Senate · Maine
Sen. Susan Collins (R)
Represents Maine, in office since Jan. 3, 2021. Official site
$37.13spent by the campaign for every vote cast in the 2020 general election
- This race$37.13
- Opponent$78.21
- ME average$22.21
- Senate average$13.91
Ranks 8 of 96 senators (1 = most spent per vote).
The 2020 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Susan Collins (R), won | 417,645 (51.0%) | $30,412,199 | $37.13 |
| Sara Gideon (D) | 347,223 (42.4%) | $64,069,631 | $78.21 |
Total votes cast: 819,183. “Per vote cast” is the campaign’s total spending for that election divided by all votes cast in the race.
Tracked issue money in 2026
| Issue | Groups | Given | Bundled | Spent for | Spent against |
|---|---|---|---|---|---|
| HousingReal estate and home building | Realtors PAC (RPAC), NAHB BUILD-PAC, NMHC PAC | $25,000 | $0 | $0 | $0 |
| Health care costsHospitals, doctors and drugmakers | AHA PAC, AMPAC, Pfizer PAC | $18,500 | $0 | $0 | $0 |
| AI & data centersAI and tech company PACs | Microsoft PAC, Google NetPAC, Amazon PAC | $20,000 | $0 | $0 | $0 |
| ImmigrationDetention contractors | GEO Group PAC, CoreCivic PAC, MTC PAC | $10,500 | $0 | $0 | $0 |
| AbortionAbortion rights | Planned Parenthood Votes, RFFA Freedom Fund | $0 | $0 | $0 | $1,092,409 |
| Energy & climateOil and gas industry | ExxonMobil PAC, Chevron PAC, Occidental PAC, API PAC | $12,500 | $0 | $0 | $0 |
| Energy & climateEnvironmental groups | LCV Victory Fund | $0 | $0 | $0 | $456 |
| IsraelAIPAC and allied groups | AIPAC PAC, NORPAC | $13,493 | $3,166,055 | $0 | $0 |
| Policing & prisonsPrison and detention companies | GEO Group PAC, CoreCivic PAC, MTC PAC | $10,500 | $0 | $0 | $0 |
| DefenseDefense contractors | Lockheed Martin PAC, RTX PAC, General Dynamics PAC, Northrop Grumman PAC, Boeing PAC | $39,500 | $0 | $0 | $0 |
ME’s other senator
Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2020 election (as of Oct. 6, 2026). How this is calculated.