It is undeniably the case that racist Americans are almost entirely in one political coalition and not the other.
Chris Hayes, Up w/ Chris Hayes, August 18, 2012.
Here is data asking whites the question Do you Favor Laws Against Interracial Marriage (this is from 2002, the latest year available for this question).
|Favor Laws Against Interracial Marriage|
Here is data asking whites whether they agree with the sentiment that Blacks Shouldn’t be Pushy.
|Blacks Shouldn’t Be Pushy|
Finally from 2008 here is data asking whites whether they would vote for a black for President. (Row: racpres, column partyid, filter: race(1) year(2008)).
|Would Vote for Black President|
|STRONG DEMOCRAT||NOT STR DEMOCRAT||NOT STR REPUBLICAN||STRONG REPUBLICAN|
It is true that there are more differences across party lines on policy questions such as on affirmative action, again with a mix in both parties but with more Republicans than Democrats opposing. I don’t consider these types of policy preferences to be grounds for calling someone a racist, however.
It is undeniable that some Americans are racist but racists split about evenly across the parties. No party has a monopoly on racists.