Last Report: 10/26/2020
Source: https://www.scvotes.gov/fact-sheets

South Carolina does not have party registration, but does provides ballot counts by race.

Mail Ballots Returned

Ballots Returned: 903,669

Mail Ballots Returned and Accepted by Race and Ethnicity

Race/Ethnicity Returned Ballots Freq. Distribution Requested Ballots Return Rate
Non-Hispanic White 602,941 66.7 687,669 87.7
Non-Hispanic Black 275,548 30.5 304,046 90.6
Hispanic 8,886 1.0 10,778 82.4
Non-Hispanic Asian American 8,849 1.0 11,067 80.0
Non-Hispanic Native American 1,120 0.1 1,314 85.2
Other/Multiple/Unknown 6,364 0.7 8,123 78.3
TOTAL 903,669 100.0 1,022,960 88.3

Mail Ballot Requested

Mail Ballots Requested by Race and Ethnicity

Race Count Percent
Non-Hispanic White 687,669 67.2
Non-Hispanic Black 304,046 29.7
Hispanic 10,778 1.1
Non-Hispanic Asian American 11,067 1.1
Non-Hispanic Native American 1,314 0.1
Other/Multiple/Unknown 8,123 0.8
TOTAL 1,022,960 100.0