U.S. Senate · Wisconsin
Sen. Ron Johnson (R)
Represents Wisconsin, in office since Jan. 3, 2023. Official site
$13.48spent by the campaign for every vote cast in the 2022 general election
- This race$13.48
- Opponent$15.75
- WI average$15.47
- Senate average$13.91
Ranks 28 of 96 senators (1 = most spent per vote).
The 2022 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Ron Johnson (R), won | 1,337,185 (50.4%) | $35,758,090 | $13.48 |
| Mandela Barnes (D) | 1,310,467 (49.4%) | $41,770,890 | $15.75 |
Total votes cast: 2,652,477. “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 |
|---|---|---|---|---|---|
| Health care costsHospitals, doctors and drugmakers | AHA PAC | $1,000 | $0 | $0 | $0 |
WI’s other senator
Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2022 election (as of Oct. 6, 2026). How this is calculated.