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United States · Election results history · 2015
Election 2015 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2015 governor election results by state and county

Republican Matt Bevin won Kentucky in 2015 and Phil Bryant was re-elected in Mississippi, while Democrat John Bel Edwards beat David Vitter to take Louisiana.

3 governor races were held in 2015. Democrats won 1 and Republicans 2.

The closest were Kentucky (R+8.7), Louisiana (D+12.2) and Mississippi (R+33.9). 2 governorships changed party: Kentucky to the Republicans and Louisiana to the Democrats.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

About the 2015 governor elections

Kentucky, Louisiana and Mississippi elected governors in 2015, late in Barack Obama's presidency, with the 2016 presidential primaries already under way. In Kentucky, Republican businessman Matt Bevin, who had lost a Senate primary to Mitch McConnell the year before, defeated Democratic Attorney General Jack Conway by about nine points. Polls had shown Conway ahead, and the result ended eight years of Democratic control under Steve Beshear. Louisiana moved the other way. Democratic state Representative John Bel Edwards beat Republican U.S. Senator David Vitter by about 12 points in the runoff. Vitter had been damaged by a prostitution scandal from 2007, and outgoing Governor Bobby Jindal was unpopular after state budget troubles. Edwards was the only Democratic governor in the Deep South. In Mississippi, Phil Bryant won a second term by about 34 points over Robert Gray.

Every race

StateDemocratVotesRepublicanVotesOthersMargin
Kentucky flip Jack Conway426,620 (43.8%) Matt G. Bevin511,374 (52.5%) 35,698 R+8.7
Louisiana flip John Bel Edwards646,924 (56.1%) David Vitter505,940 (43.9%) D+12.2
Louisiana: Decided in the November runoff.
Mississippi Robert Gray234,858 (32.4%) Phil Bryant480,399 (66.2%) 9,950 R+33.9

Margin: the Democrat's share of all votes minus the Republican's. Margins are Democrat minus Republican, of all votes. Certified results, from the states' own archives, the MIT Election Data and Science Lab, Heideman (2026) and Algara & Amlani (2021). How these results were checked.

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