Incumbents defeated in all elections

Showing the percentage of incumbents re-elected and incumbents defeated in the 10 states Ballotpedia covered comprehensively in 2023 compared to averages from Ballotpedia's regular coverage scope between 2018 and 2023. The total number of incumbents who ran for re-election is shown to the right of each bar.

These totals include incumbents who ran in all elections, both contested and uncontested. Click here to view results in contested elections only.

Ballotpedia's regular school board coverage includes the 200 largest school districts by student enrollment and any districts located within the country's 100 most-populous cities.

South Dakota only holds contested school board elections, giving the state a higher loss rate when viewed through this lens.
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