According to a recent survey  by the Pew Foundation, the religion  of choice for the United States is: 26% evangelical Protestant; 24% mainline Protestant, 24% Catholic; and 16% unaffiliated (atheist, agnostic, and nothing in particular). Others are given on the website. NC  is 41% evangelical Protestant, 21% mainline Protestant, and 13% black Protestant, with 12% unaffiliated.

Open the link below to find out the results for other states, courtesy of USA Today.

http://www.usatoday.com/news/graphics/pew-religion-08/flash.htm