2024Final results
2024 election for Missouri Senate District 9
Missouri State Senate · Missouri
Barbara Washington (D) won with 79.3% of the vote, defeating Derron Black (R) by 58.6 points.
Barbara WashingtonDemocrat · winner
79.3%50,220
Derron BlackRepublican
20.7%13,103
63,323 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET