2006Flipped from RepublicanFinal results
2006 election for U.S. Senate in Montana
U.S. Senate · Montana
Jon Tester (D) won with 49.2% of the vote, defeating Conrad Burns (R) by 0.9 points, a seat Republicans won last time.
Jon TesterDemocrat · winner
49.2%199,845
Conrad BurnsRepublican
48.3%196,283
Stan JonesLibertarian
2.6%10,377
406,505 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2006
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Jon TesterConrad Burns
$5.6M
Raised by the campaign
$8.1M
$5.6M
Spent by the campaign
$8.5M
$12.1K
Cash on hand
$281.4K
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006