Percentage of LGBT adults has doubled over the past decade

People celebrate in Washington Square Park during New York City's Pride Parade on June 27. (Photo: Mathias Wasik / dpa/picture alliance via Getty Images)

The percent of U.S. adults who identify as something other than heterosexual has doubled over the last 10 years, from 3.5 percent in 2012 to 7.1 percent, according to a Gallup poll released Thursday.

Gallup found that the increase is due to ​​”high LGBT…