Strongly Democrat prior to 1948
1948: About even between Truman and Thurmond
1952: Moderately for Stevenson
1956: Moderately for Stevenson
1960: Moderately for Kennedy, with significant support for Byrd
1964: Strongly for Goldwater
1968: Strongly for Wallace, but a significant minority for Humphrey
1972: Moderately for Nixon
1976: Strongly for Carter
1980: Lean Reagan
1984: Strongly for Reagan
1988: Strongly for Bush
1992: Lean Bush, but significant support for Clinton
1996: Lean Dole, but significant support for Clinton
Strongly Republican from 2000 on
This seems mostly right, but in 1972, these voters almost certainly went strongly for Nixon. McGovern was demolished in the Deep South, and would have done as bad as pre-1948 Republicans did without the black vote.
