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 County results Tester: 40–50% 50–60% 60–70% 70–80% Burns: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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| Elections in Montana |
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The 2006 United States Senate election in Montana was held November 7, 2006. The filing deadline was March 23; the primary was held June 6. Incumbent Republican Senator Conrad Burns ran for re-election to a fourth term, but lost to Democrat Jon Tester by a margin of 0.87%, or 3,562 votes out of 406,505 cast. This made the election the second-closest race of the 2006 Senate election cycle, behind only the election in Virginia.