This is the 1998 race. The latest: 2026 →

1998Final results

1998 election for Delaware's at-large District

U.S. House · Delaware

Michael Castle (R) won with 66.4% of the vote, defeating Dennis E. Williams (D) by 34.5 points.

Michael CastleRepublican · winner
66.4%119,811
31.8%57,446
James P. WebsterConstitution
1.3%2,411
0.5%859
180,529 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 1998

Races before and after

EvenR+12.91992R+44.21994R+42.11996R+34.51998R+36.82000R+45.42002

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.

Dennis E. WilliamsMichael Castle
$0
Raised by the campaign
$644.4K
$1.3K
Spent by the campaign
$331.6K
$1
Cash on hand
$823.6K

Campaign money: FEC, through Jun 30, 1998; FEC, through Dec 31, 1998.

Source: FEC campaign filingsUpdated Dec 31, 1998

The candidates

Michael Castle (R)Dennis E. Williams (D)

Also on the ballot: James P. Webster (Constitution), 1.3%; Kim Stanley Bemis (Natural Law), 0.5%