Being in AZ helps often in cases like this, but you are in a much more difficult situation with a large family.
Having so many dependent children means “hostages to fortune,” as the saying goes. On the other hand, ordinary life in suburban Charlotte is conservative. It’s much more common for me for people to say, “God bless you! My grandparents had (large number of) children!” than it is for people to say, “What’s wrong with you?!?”
If my husband took a stand against homosexuality at the large investment firm where he works, that would be a big issue ... but up to now, it hasn’t been brought up as an ideological point. Everyone works with homosexuals sometimes, and you treat them politely like any other coworker.