1984Final results
1984 election for President in Missouri
President · Missouri
Ronald Reagan (R) won with 60.0% of the vote, defeating Walter Mondale (D) by 20.0 points.
Ronald ReaganRepublican · winner
60.0%1,274,188
Walter MondaleDemocrat
40.0%848,583
2,122,771 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1984
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET