"Two-thirds (68 percent) of American’s [six] who identify as libertarians are men, and 94 percent are non-hispanic whites."

https://www.salon.com/2015/06/10/why_libertarianism_is_so_popular_on_the_right_its_the_last_bastion_of_white_male_dominance/

Also interesting is the comment that "fringe movements tend to be dominated by men". Judging by the photos, the leaders of the National Popular Vote project (https://www.nationalpopularvote.com/about) are all white men. It's fringy in that most people haven't heard of it, but it may succeed in its one very specific goal.