1976Final resultsIncumbent defeated
1976 election for Delaware Senate District 15
Delaware State Senate · Delaware
Winifred Spence (R) won with 52.2% of the vote, defeating J. Donald Isaacs (D) by 4.4 points.
Winifred SpenceRepublican · winner
52.2%6,384
J. Donald IsaacsDemocrat · incumbent
47.8%5,841
12,225 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 1976
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET