Iowa is a Midwestern U.S. state situated between the Missouri and Mississippi rivers. Hawkeye State is the nickname of Iowa. Des Moines is the capital and largest city of Iowa. Iowa Zip Code started with the digit 5000. The total number of Iowa Zip Code approximately 1,055. The total population of Iowa about 3,155,070. So you can find any information about Iowa especially zip codes, area codes, Populations, cities, county and so on.