This is the 1984 race. The latest: 2026 →

1984Final results

1984 election for U.S. Senate in Delaware

U.S. Senate · Delaware

Joseph Biden (D) won with 60.1% of the vote, defeating John M. Burris (R) by 20.2 points.

Joseph BidenDemocrat · winner
60.1%147,831
John M. BurrisRepublican
39.9%98,101
245,932 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

EvenD+26.81990D+21.91996D+17.42002D+29.42008D+13.62014D+21.52020

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 BidenJohn M. Burris
$1.4M
Raised by the campaign
$817.6K
$1.4M
Spent by the campaign
$816.5K
$24.5K
Cash on hand
$1.1K

Campaign money: FEC, through Dec 31, 1984.

Source: FEC campaign filingsUpdated Dec 31, 1984