I live in the Dallas area and have all my life. I really run into very little prejudice about alternative gender matters here these days. You see males wearing long hair, earrings-- even skirts as much here as in many other big city areas and there are many active TG-related groups here, as well as great therapists and physicians involved with TG matters. The things that make the national news about bigoted politicians and school official and such are the exceptions, though certainly cause for shame. One reason I've stayed in Texas is that it needs people like me to help counter those forces of boneheaded evil that seem to permeate the regional governments.
Something less known about Dallas, though, is that it has long been a very progressive city with regard to gays. It's had a large gay community that dates back to the early oil boom days when gay men were preferred as service personnel to cater to the neuvo rich. Transgenders in the region probably only occur in the same numbers as anywhere, but the association of gay with TG as a social issue has benefited us considerably.