Only 815 couples were from Iowa, with the rest being from out of state, predominantly from neighboring Illinois, Missouri and Nebraska. By June 26, 2015, the day the U.S. Supreme Court ruled in "Obergefell v. Hodges", legalizing same-sex marriage nationwide, approximately 11,000 same-sex couples had wed in Iowa.  ! style="width:190px;"| Poll source ! style="width:200px;"| Date(s)administered ! class=small | Samplesize ! Margin oferror ! style="width:100px;"| % support ! style="width:100px;"| % opposition ! style="width:40px;"| % no opinion