It's a hard thing to get good data on, but Gallup estimated in 2017 that 4.5% of the US population was gay or lesbian: https://news.gallup.com/poll/234863/esti

It's a hard thing to get good data on, but Gallup estimated in 2017 that 4.5% of the US population was gay or lesbian: https://news.gallup.com/poll/234863/estimate-lgbt-population-rises.aspx https://news.gallup.com/poll/234863/estimate-lgbt-population... That would shift the numbers a little, yeah, but not enough to account for the OP's estimate of a 30:1 male/female ratio.