Have homosexuals moved left over time? According to the GSS, it looks like they have. Shown below are the percent (of all gay men, bisexuals, and lesbians) who voted for the Democrat in the presidential election:
Percent who voted for the Democrat
The Democrat share rose from 57 percent in 1984 to 88 percent in 2008. It looks like the culture war may have pushed non-heteros to the left (although they started this period somewhat to the left anyway) .