I know dozens. I'm sure I've met thousands. I used to be active in a lutheran (LCMS) church. If that's where you form your social network, you're likely to be _primarily_ around people who believe in abstinence before marriage. And if you're non-religious, you'll have a different social network.

America maybe a melting pot, but if you'll let me abuse the metaphor a bit- there's not a lot of stirring going on. There are conservative churches in every city in the US, and this is still a fairly religious country.