U.S. Senate · Kansas
Sen. Roger Marshall (R)
Represents Kansas, in office since Jan. 3, 2021. Official site
$5.24spent by the campaign for every vote cast in the 2020 general election
- This race$5.24
- Opponent$21.09
- KS average$5.31
- Senate average$13.91
Ranks 66 of 96 senators (1 = most spent per vote).
The 2020 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Roger Marshall (R), won | 727,962 (53.2%) | $7,160,481 | $5.24 |
| Barbara Bollier (D) | 571,530 (41.8%) | $28,840,823 | $21.09 |
Total votes cast: 1,367,755. “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 | $15,000 | $0 | $0 | $0 |
| Health care costsHospitals, doctors and drugmakers | AHA PAC, AMPAC, Pfizer PAC | $24,000 | $0 | $0 | $0 |
| AI & data centersAI and tech company PACs | Microsoft PAC | $5,000 | $0 | $0 | $0 |
| GunsGun rights | NRA-PVF, NSSF PAC | $11,000 | $0 | $0 | $0 |
| Energy & climateOil and gas industry | ExxonMobil PAC, Chevron PAC, Marathon Petroleum PAC | $25,000 | $0 | $0 | $0 |
| Energy & climateEnvironmental groups | EDAF PAC | $1,000 | $0 | $0 | $0 |
| IsraelAIPAC and allied groups | AIPAC PAC, NORPAC | $28,493 | $248,107 | $0 | $0 |
| DefenseDefense contractors | Lockheed Martin PAC, RTX PAC, Northrop Grumman PAC | $11,500 | $0 | $0 | $0 |
KS’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.