Arnold, Iowa
Arnold is an unincorporated community in Grove Township, Humboldt County, Iowa, United States.
Geography
Arnold is located along Michigan Avenue, north of Humboldt.History
Arnold was originally named Grove, and was located on the Minneapolis and St. Paul Railroad. It was renamed in 1900 in honor of Hiram Arnold, an early settler.Arnold's population was 26 in 1902.
On July 3, 1920, a major train accident occurred north of Arnold on a bridge over Bloody Run Creek. Eight passengers perished and many others were injured when the bridge collapsed.
The population of Arnold was 20 in 1940.