June 2 and 9 state legislative primary recaps
Voters in 10 states cast ballots in a total of 436 state legislative primaries between June 2 and June 9. In those primaries, 41 incumbents were defeated—about 17% of all incumbents who ran. Due to delays in releasing final results, data for Nevada and Georgia are not included in this analysis.
The states holding legislative elections on those dates were:
- Idaho
- Indiana
- Iowa
- Montana
- New Mexico
- Pennsylvania
- South Dakota
- North Dakota
- South Carolina
- West Virginia
Incumbents ran in 246 of those primaries, or roughly 56% of the total. Of the 41 incumbents defeated, 12 were Democrats and 29 were Republicans.
In all 10 states, there were 82 Democratic primaries compared to 164 for Republicans.
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Democratic primaries: The 12 defeated incumbents represent 15% of the Democrats who faced challengers in these elections.
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Republican primaries: The 29 defeated incumbents represent 18% of all Republican incumbents in contested primaries in these elections.
Prior to June 2, six state legislative incumbents were defeated in eight states. So far this cycle, 47 incumbents—or 12% of incumbents participating in contested primaries—lost.
In 2018, 63 incumbents—38 Republicans and 25 Democrats—were defeated in state legislative primary elections through June 12. This represented 13% of incumbents facing contested primaries through that date that year.
In March through May of this cycle, six incumbents—four Democrats and two Republicans lost in the primaries in eight states. This was 4% of the incumbents that faced contested primaries in those states.
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