1978Final results
1978 election for U.S. Senate in Delaware
U.S. Senate · Delaware
Joseph Biden (D) won with 58.0% of the vote, defeating James H. Baxter Jr. (R) by 16.9 points.
Joseph BidenDemocrat · winner
58.0%93,930
James H. Baxter Jr.Republican
41.0%66,479
Donald G. GiesOther party
1.0%1,663
162,072 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 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET