41% Trump
37% Clinton
7% Johnson
3% Stein
46% Trump
42% Clinton
Gravis Marketing, a nonpartisan research firm, conducted a random survey of 768 registered voters across South Carolina. The poll was conducted from August 15th to the 17th and has a margin of error of ± 3.5% at the 95% confidence level. The total may not round to 100% because of rounding. The polls were conducted using automated telephone calls and online responses internet panels of cell phone respondents and weighted by voting patterns.
http://gravismarketing.com/news/current-south-carolina-polling