2020Final results
2020 election for Missouri House District 129
Missouri House of Representatives · Missouri
Jeff Knight (R) won with 85.5% of the vote, defeating Dewanna Marquez (D) by 71.0 points.
Jeff KnightRepublican · winner · incumbent
85.5%14,739
Dewanna MarquezDemocrat
14.5%2,501
17,240 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET