Around 8% of Evangelicals are Blacks. They voted their color like they always do.
Pew Forum exit polling said that 24% of voting block were WHITE Evangelicals...that equals about 30 million (by time they get done counting all the votes...probably over 30 million by a hair)...
Evangelicals supported Romney by a greater % than Mormon voters did...Per Pew Forum...79-20% vs. 78-21%
20% of 30 million = 6 mil