Pierson is a city in Woodbury County, Iowa, United States. It is part of the Sioux City, Iowa–Nebraska–South Dakota Metropolitan Statistical Area. The population was 337 at the time of the 2020 census. Pierson was platted in 1883 with railroads and lumberyards being important to its growth. The city started with only eight blocks of land until new additions were later made. Pierson has a library, a school district, and five churches, among other businesses and recreation.
Pierson was platted in 1883 and the original owners were the Railroad Land Co. The city might have been named for Andrew Pierson, a pioneer settler. Pierson originally only had eight blocks of land and new additions began being added in July 1892. Railroads were important to the growth of northwest Iowa, which includes Pierson, due to it carrying lumber and other material for expansion. Lumberyards were a major business in the early days of Pierson with the earliest such company being founded in 1883