He's so progressive, as to be married soon, if not already.
Created by Chris Claremont and John Byrne, he was intended to be gay but this was not openly stated until 1992 after another character confronted Northstar about how famous and influential people could bring greater attention to LGBT issues and the rising AIDS epidemic. As a result, Northstar came out at a press conference and went on to become a speaker for LGBT rights. He later published an autobiography entitled Born Normal, just before officially joining the X-Men.
10 Great LGBT Superheroes (And Superhero Couples)
I have an Alpha Flight #1, somewhere here in storage...
Just because a pic of Bruce Timm's 'Justice League' [Including Hawkgirl] accompanies this article, doesn't mean that one of those members is gay.
Aquaman is married; has a son, and his wife Mera, is one of the strongest ...and sexiest female supporting characters in comics;

The Martian Manhunter (J'onn J'onzz) was known to be married to a female martian, and had offspring, before coming to Earth; while on occasion he dates human females.
Hawkman and Hawkgirl- nuff said.
Cyborg is more machine, than man these days.