When SC was the most Democratic State, it had very low turnout compared to just eight years later in 1952.
Most of the South was this way and beginning in 1952 you had a massive surge in turnout and voter participation. This occurred at the same time as the revival of two party competition and the post above about foreign policy really does a good job illustrating that issue. Also Wazza talked about the GOP support being concentrated in low country.
If you look at the 1960 map, you see the lowland versus upland divide quite clearly:
Wasn't turn out in several southern states back in the day like low double digit percentages?
These states had are grouped by electoral vote and are thus roughly similar in size and yet you see a massive difference in turnout.
1944:
13
WI Thomas Dewey John Bricker Republican 674,532 50.37% 12
Franklin Roosevelt Harry Truman Democrat 650,413 48.57%
1.3 Million
GA Franklin Roosevelt Harry Truman Democrat 268,187 81.74% 12
Thomas Dewey John Bricker Republican 59,880 18.25% 0
320,000
10
IA Thomas Dewey John Bricker Republican 547,267 51.99% 10
Franklin Roosevelt Harry Truman Democrat 499,876 47.49% 0
1 million
LA Franklin Roosevelt Harry Truman Democrat 281,564 80.59% 10
Thomas Dewey John Bricker Republican 67,750 19.39% 0
350,000
8
KS Thomas Dewey John Bricker Republican 442,096 60.25% 8
Franklin Roosevelt Harry Truman Democrat 287,458 39.18% 0
700,000
SC Franklin Roosevelt Harry Truman Democrat 90,601 87.64% 8
No Candidate - Southern Dem. 7,799 7.54% 0
Thomas Dewey John Bricker Republican 4,610 4.46% 0
Claude Watson Andrew Johnson Prohibition 365 0.35% 0
100,000