Iowa was won by former California GovernorRonald Reagan (R) by a comfortable margin of about 13 points.[1] This is the last presidential election in which a Republican has won Iowa by more than 10 points until 2024, as well as the last time a Republican won Polk County,[2] home to Iowa's capital and most populated city, Des Moines. It was also the last time until Donald Trump in 2016 that a Republican presidential candidate won the following counties: Boone, Cerro Gordo, Lee, Webster and Worth.[2]