2010Final resultsSpecial election
2010 special election for U.S. Senate in Delaware
U.S. Senate · Delaware
Chris Coons (D) won with 56.6% of the vote, defeating Christine O'Donnell (R) by 16.6 points.
Chris CoonsDemocrat · winner
56.6%174,012
Christine O'DonnellRepublican
40.0%123,053
Glenn A. MillerIndependent
2.7%8,201
James W. RashLibertarian
0.7%2,101
307,402 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Chris CoonsChristine O'Donnell
$4.2M
Raised by the campaign
$7.4M
$3.9M
Spent by the campaign
$7M
$346.1K
Cash on hand
$424.1K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010
The candidates
Chris Coons (D)Christine O'Donnell (R)
Also on the ballot: Glenn A. Miller (Independent), 2.7%; James W. Rash (Libertarian), 0.7%