Doon is a city located in Lyon County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.6 square miles (2.0 km²) and sits at an elevation of 1290 ft. With a population of approximately 533 residents, Doon offers a peaceful, rural atmosphere.
The town's population is composed of about 53.85% males and 46.15% females, and it has a population density of 918.97 people per square mile (354.81/km²). Doon lies at a latitude of 43.28 and a longitude of -96.23, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (1.5%), followed by English (1.1%), German (26.6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 51235.