Ohio, Michigan, Pennsylvania, Colorado, Nevada, Utah: Targeting 2016

Activists are hoping to see measures passed or court cases end in their favor in this mix of states by the end of the next presidential election cycle. Though the swing states Ohio and Pennsylvania seem less likely to move than the more liberal coastal states, same-sex marriage is gaining traction in the Midwest. “They used to say you could only win in the coast, not in the heartland,” Wolfson said. “But we’ve won in Minnesota and Iowa. With Illinois, we have 37% of American people living in a freedom-to-marry state, including states in the heartland with more to come.”