Year White evangelical Protestants White mainline Protestants Black Protestants Catholics Unaffiliated
2001 13% 38% 30% 40% 61%
 2003 12% 35% 25% 38% 59%
2004 11% 34% 19% 36% 61%
2005 14% 39% 25% 39% 60%
2006 12% 41% 21% 39% 63%
2007 14% 43% 24% 40% 60%
2008 16% 44% 24% 43% 62%
2009 15% 36% 28% 42% 63%
2010 20% 48% 29% 46% 62%
2011 16% 54% 31% 53% 69%
2012 19% 52% 35% 54% 73%
2013 23% 55% 32% 54% 74%
2014 21% 60% 41% 57% 77%
2015 24% 62% 34% 57% 82%
2016 27% 64% 39% 58% 80%
2017 35% 68% 44% 67% 85%