1988Flipped from DemocraticFinal resultsIncumbent defeated
1988 election for Delaware Senate District 17
Delaware State Senate · Delaware
John C. Still III (R) won with 51.3% of the vote, defeating Jacob Zimmerman (D) by 2.6 points, a seat Democrats won last time.
John C. Still IIIRepublican · winner
51.3%4,995
Jacob ZimmermanDemocrat · incumbent
48.7%4,742
9,737 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET