1984Final results

1984 election for U.S. Senate in Oregon

Name: 1984 election for U.S. Senate in Oregon
Start: 1984-11-06
Location: Oregon

U.S. Senate · Oregon

Mark Hatfield (R) won with 66.5% of the vote, defeating Margie Hendriksen (D) by 33.1 points.

Mark HatfieldRepublican · winner

66.5%808,152

33.4%406,122

1,214,735 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

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Each line compares the two campaigns on one scale.

Margie HendriksenMark Hatfield

$255.9K

Raised by the campaign

$822.9K

$255.2K

Spent by the campaign

$605.6K

$653

Cash on hand

$243.5K

Campaign money: FEC, through Nov 26, 1984; FEC, through Dec 31, 1984.

Source: FEC campaign filingsUpdated Dec 31, 1984