1988Final results
1988 election for Missouri's 3rd District
U.S. House · Missouri
Richard Gephardt (D) won with 62.8% of the vote, defeating Mark F. "thor" Hearne (R) by 26.5 points.
Richard GephardtDemocrat · winner
62.8%150,205
Mark F. "thor" HearneRepublican
36.3%86,763
Lloyd SloanLibertarian
0.9%2,128
239,203 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 1988
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Richard GephardtMark F. "thor" Hearne
$513.9K
Raised by the campaign
$209.1K
$512.2K
Spent by the campaign
$202.5K
$1.9K
Cash on hand
$7.5K
Campaign money: FEC, through Dec 31, 1988.
Source: FEC campaign filingsUpdated Dec 31, 1988