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Election 1931 Results

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1931 governor election results by state and county

Democrats won all three governor races in 1931, regaining Kentucky and New Jersey as the Depression worsened.

3 governor races were held in 1931. Democrats won 3 and Republicans 0.

The closest were Kentucky (D+8.9), New Jersey (D+18.1) and Mississippi (D+100.0). 2 governorships changed party: Kentucky to the Democrats and New Jersey 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 1931 governor elections

By 1931 the Depression had worsened sharply, with bank failures spreading and unemployment rising. Only Kentucky, Mississippi and New Jersey chose governors, and Democrats won all three, taking back two states from the Republicans. In Kentucky, Ruby Laffoon beat William B. Harrison by about 9 points. In New Jersey, A. Harry Moore won his second term by about 18 points over David Baird Jr., a large margin in a state that Republicans usually held in good times. Martin S. Conner was elected in Mississippi without opposition. The results added to the evidence that Republicans would struggle in 1932. Herbert Hoover's response to the Depression was widely seen as inadequate, and Democrats had already gained ground in the 1930 midterms. Roosevelt, by then governor of New York, was already the leading Democratic contender.

Every race

StateDemocratVotesRepublicanVotesOthersMargin
Kentucky flip Ruby Laffoon438,513 (54.3%) William B. Harrison366,982 (45.4%) 2,311 D+8.9
Mississippi Martin S. Conner45,942 (100.0%) none D+100.0
New Jersey flip A. Harry Moore735,504 (57.8%) David Baird Jr.505,451 (39.7%) 31,079 D+18.1

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). By county: "As they were" draws each county as it stood on election day; "Today's" shares the old votes among today's counties by area. County boundaries: Newberry Library, Atlas of Historical County Boundaries (CC BY-NC-SA 2.5). How these results were checked.

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