Epic Political Battle Is Religious Too

The political parties are divided by more than ideology. Religion also divides them...

• The single largest religious block among Democrats is the unaffiliated (28%), followed by Catholics (21%), Evangelical Protestants (16%), Mainline Protestants (13%), and historically Black Protestants (12%).
• The largest single religious block among Republicans is Evangelical Protestant (38%), followed by Catholics (21%), Mainline Protestants (17%), the unaffiliated (14%), and other Christian groups (4%).

Source: Pew Research Center, U.S. Public Becoming Less Religious