1990Final results
1990 election for Delaware's at-large District
U.S. House · Delaware
Thomas R. Carper (D) won with 65.5% of the vote, defeating Ralph O. Williams (R) by 32.8 points.
Thomas R. CarperDemocrat · winner
65.5%116,274
Ralph O. WilliamsRepublican
32.7%58,037
Richard A. CohenLibertarian
1.8%3,121
177,435 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.
Thomas R. CarperRalph O. Williams
$548.7K
Raised by the campaign
$49.8K
$521.3K
Spent by the campaign
$49.8K
$53.8K
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1990.
Source: FEC campaign filingsUpdated Dec 31, 1990