2010Final results
2010 election for Missouri House District 31
Missouri House of Representatives · Missouri
Jay Swearingen (D) won with 51.3% of the vote, defeating Matthew K. Thompson (R) by 2.5 points.
Jay SwearingenDemocrat · winner
51.3%4,669
Matthew K. ThompsonRepublican
48.7%4,437
9,106 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET