Published June 22. 2021 7:40PM | Updated June 22. 2021 7:41PM Caroline Anders, The Washington Post The U.S. Census doesn't ask about gender identity. Until now, no population estimate of nonbinary LGBTQ adults in the United States existed. There are about 1.2 million nonbinary LGBTQ adults in the United States, according to the first broad-based population estimate of this kind, which was released Tuesday. That's just less than the population of Dallas, Texas. The Williams Institute, a research center focused on sexual orientation and gender identity law and public policy, conducted the study. Its data offers a portrait of a slice of the LGBTQ community that has long been ignored.