RepublicanNo state or federal office heldLost the 2026 general

S. David Sullivan

Lost the 2026 race for Michigan House District 20.

Every race Sullivan has run

Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Sullivan won voters the party’s presidential nominee did not; primaries have no baseline.

YearOfficeStageResultOpponentsShareMarginBaselineAgainst baseline
2026Michigan House District 20GeneralLostNoah Arbit (D)——D+4.8

Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Who Sullivan has run against

Source: 99chambers results archive; 2026: civicAPI (unofficial)

The seat

Source: 99chambers: presidential results on current lines (MEDSL precinct returns)