1988Final results
1988 election for U.S. Senate in Minnesota
U.S. Senate · Minnesota
David Durenberger (R) won with 56.2% of the vote, defeating Hubert H. "skip" Humphrey III (D) by 15.3 points.
David DurenbergerRepublican · winner
56.2%1,176,210
Hubert H. "skip" Humphrey IIIDemocrat
40.9%856,694
Polly MannOther party
2.1%44,474
Derrick P. GrimmerOther party
0.4%9,016
Arlen OvervigLibertarian
0.2%4,039
Wendy LyonsSocialist Workers
0.1%3,105
2,093,953 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.
Hubert H. "skip" Humphrey IIIDavid Durenberger
$2.5M
Raised by the campaign
$5M
$2.5M
Spent by the campaign
$5.4M
$6.4K
Cash on hand
$27.5K
Other candidates' campaigns: Polly Mann $85.7K · Arlen Overvig $1.5K.
Campaign money: FEC, through Dec 31, 1988.
Source: FEC campaign filingsUpdated Dec 31, 1988
The candidates
David Durenberger (R)Hubert H. "skip" Humphrey III (D)
Also on the ballot: Polly Mann (Other party), 2.1%; Derrick P. Grimmer (Other party), 0.4%; Arlen Overvig (Libertarian), 0.2%; Wendy Lyons (Socialist Workers), 0.1%