DemocratNo state or federal office heldWon the 2026 general by 6.3

Justin Geiser

Won the 2026 race for Missouri House District 31.

Last margin
+6.3
Won 2026

Source: Wikidata, congress-legislators and Open States; 99chambers legislative records

Every race Geiser has run

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

YearOfficeStageResultOpponentsShareMarginBaselineAgainst baseline
2026Missouri House District 31GeneralWonRon Fowler (R)53.1%D+6.3R+8.4+14.7

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

Who Geiser has run against

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

The seat

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