http://www.statehealthfacts.org/profileind.jsp?ind=6&cat=1&rgn=27
And undersampled women by about 1 point:
http://www.statehealthfacts.org/profileind.jsp?ind=5&cat=1&rgn=27
Perhaps someone here that subscribes to Rasmussen will post them.
Blacks are probably undersampled because they are least likely to vote -- once.
Those are population numbers not participation numbers.