Who Caucuses? A Demographic Snapshot of Iowa Caucusgoers

For decades, Iowa has served as the national kickoff event for the presidential election season, hosting the first caucus of the year. But who actually informs the process? Iowa hardly provides a demographic snapshot of the nation--with a population that is 94% white and with high proportions of Evangelical Christians. Who are the Iowa caucusgoers who set the stage for the national presidential election season? Here's a snapshot of who participates in the Iowa Caucuses.