There was no clear demographic or regional distribution of votes cast. Sanders won Polk County, the location of state capital Des Moines, as well as Linn County, home to the state's second-largest city, Cedar Rapids; but Warren won Johnson County, home to the University of Iowa.<ref>https://features.desmoinesregister.com/news/politics/iowa-caucuses-results-alignment/</ref> | There was no clear demographic or regional distribution of votes cast. Sanders won Polk County, the location of state capital Des Moines, as well as Linn County, home to the state's second-largest city, Cedar Rapids; but Warren won Johnson County, home to the University of Iowa.<ref>https://features.desmoinesregister.com/news/politics/iowa-caucuses-results-alignment/</ref> |