2020Flipped from DemocraticFinal results
2020 election for South Carolina's 1st District
U.S. House · South Carolina
Nancy Mace (R) won with 50.6% of the vote, defeating Joe Cunningham (D) by 1.3 points, a seat Democrats won last time.
Nancy MaceRepublican · winner
50.6%216,042
Joe CunninghamDemocrat
49.3%210,627
427,111 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.
Joe CunninghamNancy Mace
$7.1M
Raised by the campaign
$5.9M
$7.1M
Spent by the campaign
$5.8M
$6.4K
Cash on hand
$59.5K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020