1988Final results
1988 election for U.S. Senate in Delaware
U.S. Senate · Delaware
William Roth (R) won with 62.1% of the vote, defeating S. B. Woo (D) by 24.1 points.
William RothRepublican · winner
62.1%151,115
S. B. WooDemocrat
37.9%92,378
243,493 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 1988
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.
S. B. WooWilliam Roth
$2.4M
Raised by the campaign
$1.9M
$2.4M
Spent by the campaign
$1.9M
$23.8K
Cash on hand
$89K
Campaign money: FEC, through Dec 31, 1988.
Source: FEC campaign filingsUpdated Dec 31, 1988