2018 Wyoming Senate election
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| 15 seats from odd-numbered districts | ||||||||||||||||||||||||||||||||||
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| Results: Democratic gain Republican gain Democratic hold Republican hold No election | ||||||||||||||||||||||||||||||||||
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| Elections in Wyoming | 
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The 2018 Wyoming Senate election was held on Tuesday, November 6, 2018, with the primary election held on August 21, 2018. Voters in the 15 odd-numbered districts of the Wyoming State Senate elected their representatives. The elections coincided with the elections for other offices, including U.S. Senate, U.S. House, governor, and the State House.