Polls show that the least trusted group in the United States are atheists. Want statistical evidence? I've got that.
First, there's the study from Minnesota:
And then there are statistics on public attitudes about atheists in general: http://atheism.about.com/od/atheistbigotryprejudice/a/AtheistSurveys.htm
Christians constitute a full 81% of the country (and are, therefore, a very large majority). The largest group of Christians, according to Pew, are the evangelicals, comprising 26.3% of the American religious public (to be compared with the roughly 2% who are atheists, based on most estimates.)
I found this comical little quote from Pat Robertson:
Wait....... what the....???