2022Final results
2022 election for U.S. Senate in Wisconsin
U.S. Senate · Wisconsin
Ron Johnson (R) won with 50.4% of the vote, defeating Mandela Barnes (D) by 1.0 points.
Ron JohnsonRepublican · winner
50.4%1,337,185
Mandela BarnesDemocrat
49.4%1,310,467
2,652,477 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Mandela BarnesRon Johnson
$42.3M
Raised by the campaign
$34.9M
$41.8M
Spent by the campaign
$34.7M
$565.7K
Cash on hand
$762.1K
Campaign money: FEC, through Dec 31, 2022.
Source: FEC campaign filingsUpdated Dec 31, 2022