2020Final results
2020 election for Missouri Senate District 9
Missouri State Senate · Missouri
Barbara Washington (D) won with 82.4% of the vote, defeating David Martin (R) by 64.7 points.
Barbara WashingtonDemocrat · winner
82.4%51,463
David MartinRepublican
17.6%11,026
62,489 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