2024Final results
2024 election for Missouri House District 90
Missouri House of Representatives · Missouri
Mark Boyko (D) won with 60.6% of the vote, defeating Scott Mathewson (R) by 21.3 points.
Mark BoykoDemocrat · winner
60.6%13,670
Scott MathewsonRepublican
39.4%8,874
22,544 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