2020Final results
2020 election for U.S. Senate in Delaware
U.S. Senate · Delaware
Chris Coons (D) won with 59.4% of the vote, defeating Lauren Witzke (R) by 21.5 points.
Chris CoonsDemocrat · winner
59.4%291,804
Lauren WitzkeRepublican
37.9%186,054
Mark W. TurleyIndependent
1.6%7,833
Nadine M. FrostLibertarian
1.1%5,244
490,935 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Chris CoonsLauren Witzke
$6.1M
Raised by the campaign
$479.5K
$4.7M
Spent by the campaign
$476.2K
$1.8M
Cash on hand
$3.3K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020
The candidates
Chris Coons (D)Lauren Witzke (R)
Also on the ballot: Mark W. Turley (Independent), 1.6%; Nadine M. Frost (Libertarian), 1.1%