"I live in a bubble, an echo chamber where my own ideas get reinforced. We may have that in common at least."

No, we don't. I can't speak for all conservatives, but my own family was split on Trump. I would say the majority of my Facebook acquaintances openly supported Hillary.  I live in an urban area in a red state. Also, pickup trucks are very common out here, even in the city, and many of them are driven by Hispanics and African-Americans.