1990Final results
1990 election for Delaware Senate District 15
Delaware State Senate · Delaware
Nancy Cook (D) won with 88.5% of the vote, defeating Eugene G. Rowley (Lib) by 77.0 points.
Nancy CookDemocrat · winner · incumbent
88.5%4,635
Eugene G. RowleyLibertarian
11.5%602
5,237 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET