Dumont is a city in Butler County, Iowa, United States. The population was 634 at the time of the 2020 census.
History
A post office in Dumont has been in operation since 1882. The city was named for John M. Dumont, a miner in Colorado.
Geography
Dumont is located approximately 11 miles east of Hampton on Highway 3.
According to the United States Census Bureau, the city has a total area of , all land.