1978Final results
1978 election for South Carolina's 1st District
U.S. House · South Carolina
Mendel J. Davis (D) won with 60.4% of the vote, defeating C. C. Wannamaker (R) by 20.8 points.
Mendel J. DavisDemocrat · winner
60.4%65,621
C. C. WannamakerRepublican
39.6%42,994
108,615 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