Doon is a city in Doon Township, Lyon County, Iowa, United States, along the Rock River. The population was 619 at the time of the 2020 census. The BNSF Railway passes through Doon.
History
thumb|left|Main Street in 1922
Located on a plateau on the eastern bank of the Rock River, the city was named after the River Doon in Scotland, made famous as the subject of Robert Burns' poem, "The Banks O' Doon". Doon was first settled in 1869 by a small group of settlers. Founded by G. W. Bowers and A. H. Davison on September 6, 1889, the railway town was connected first by the Rock Valley Railway, followed by the Iowa & Dakota Railroad. The city was incorporated on March 8, 1892.
Geography
According to the United States Census Bureau, the city has a total area of , all land.
The Rock River, a tributary of the Big Sioux River, flows past the north and west sides of the town and the Little Rock River flows past to the south to join The Rock just southwest of the community.