Johnston, IA

Johnston is a city in Polk County, Iowa, part of the Des Moines–West Des Moines Metropolitan Statistical Area. With a population of approximately 24,100 at the 2020 census, the city has grown rapidly from only 8,600 residents in 2000. Johnston is the headquarters of Pioneer Hi-Bred Seeds, Corteva Agriscience, and John Deere Financial, as well as the site...