1986Final results
1986 election for Delaware's at-large District
U.S. House · Delaware
Thomas R. Carper (D) won with 66.2% of the vote, defeating Thomas S. Neuberger (R) by 32.7 points.
Thomas R. CarperDemocrat · winner
66.2%106,351
Thomas S. NeubergerRepublican
33.4%53,767
Patrick F. HarrisonOther party
0.4%639
160,757 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 1986
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. CarperThomas S. Neuberger
$326.8K
Raised by the campaign
$276.1K
$307.3K
Spent by the campaign
$270.6K
$32.8K
Cash on hand
$5.5K
Campaign money: FEC, through Dec 31, 1986.
Source: FEC campaign filingsUpdated Dec 31, 1986
The candidates
Thomas R. Carper (D)Thomas S. Neuberger (R)
Also on the ballot: Patrick F. Harrison (Other party), 0.4%