Dumont
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 1.749
- State:
- Iowa
Dumont is a city located in Butler County, Iowa. Dumont has a 2026 population of 614. Dumont is currently declining at a rate of -0.97% annually and its population has decreased by -3.46% since the most recent census, which recorded a population of 636 in 2020.