2018Final results
2018 election for Delaware Treasurer
Treasurer · Delaware
Colleen Davis (D) won with 52.4% of the vote, defeating Kenneth A. Simpler (R) by 6.5 points.
Colleen DavisDemocrat · winner
52.4%187,240
Kenneth A. SimplerRepublican
45.9%164,001
David B. ChandlerOther party
1.8%6,301
357,542 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET