Gallup Election Poll Data, 1952 - 2012A compilation of presidential election voting by groups, from Gallup's Historical Election trends polling data.
Individual entries on the Gallup website can be found by searching Google. These “Election Polls — Vote by Groups" links are referenced by CQ Researcher: library.cqpress.com/cqresearcher/cqresrre2015100200
1960–1964, Gallup.com, http://tinyurl.com/bvlp3ux
1968–1972, Gallup.com, http://tinyurl.com/oqs7vqr
1976–1980, Gallup.com, http://tinyurl.com/o7rff7a
1984–1988, Gallup.com, http://tinyurl.com/pxmg3dq
1992–1996, Gallup.com, http://tinyurl.com/ootflss
2000–2004, Gallup.com, http://tinyurl.com/oh9c2y8