Here's an article from Slate that shows where non-believers stand in the who-would-you-want-your-kid-to-marry poll.
http://www.slate.com/blogs/xx_factor/2014/06/13/pew_report_on_political_polarization_americans_will_accept_a_variety_of.html
A link within that article that you may have missed points to a longer, meatier article in Salon about the contemporary face of atheism and, spoiler alert, the author doesn't think it's the Hitchens/Dawkins group.
http://www.salon.com/2014/06/05/forget_christopher_hitchens_atheism_in_america_is_undergoing_a_radical_change_partner/