2020Final results
2020 election for Delaware's at-large District
U.S. House · Delaware
Lisa Blunt Rochester (D) won with 57.6% of the vote, defeating Lee Murphy (R) by 17.4 points.
Lisa Blunt RochesterDemocrat · winner
57.6%281,382
Lee MurphyRepublican
40.2%196,392
Catherine S. PurcellIndependent
1.4%6,682
David RogersLibertarian
0.8%3,814
488,270 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.
Lisa Blunt RochesterLee Murphy
$2M
Raised by the campaign
$131.4K
$1.3M
Spent by the campaign
$131.9K
$963.8K
Cash on hand
$247
Other candidates' campaigns: Catherine S. Purcell $5.3K.
Campaign money: FEC, through Dec 31, 2020; FEC, through Dec 3, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020
The candidates
Lisa Blunt Rochester (D)Lee Murphy (R)
Also on the ballot: Catherine S. Purcell (Independent), 1.4%; David Rogers (Libertarian), 0.8%