Mapleton is a city in Monona County, Iowa, United States. Landmarks include Trinity Memorial Episcopal Church (Mapleton, Iowa) and James G. Whiting Memorial Field. Mapleton is the birthplace of Garfield Wood, motorboat racer.
- CountyMonona County
- Population1,165 (2020 U.S. Census)
- Historic places1 on the National Register























Trinity Memorial Episcopal Church (Mapleton, Iowa)