1990Final results
1990 election for U.S. Senate in Delaware
U.S. Senate · Delaware
Joseph Biden (D) won with 62.7% of the vote, defeating M. Jane Brady (R) by 26.8 points.
Joseph BidenDemocrat · winner
62.7%112,918
M. Jane BradyRepublican
35.8%64,554
Lee RosenbaumLibertarian
1.5%2,680
180,157 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 1990
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.
Joseph BidenM. Jane Brady
$1.9M
Raised by the campaign
$244.8K
$1.9M
Spent by the campaign
$240.7K
$190.2K
Cash on hand
$4.1K
Campaign money: FEC, through Dec 31, 1990.
Source: FEC campaign filingsUpdated Dec 31, 1990