
Doniphan
- County:
- Ripley County
- County Seat:
- Yes
- Area (mi²):
- 1.376
- State:
- Missouri
Doniphan is a city located in Ripley County, Missouri. Doniphan has a 2025 population of 1,814. It is also the county seat of .Doniphan is currently growing at a rate of 0.39% annually and its population has increased by 1.85% since the most recent census, which recorded a population of 1,781 in 2020.
The average household income in Doniphan is $53,891 with a poverty rate of 23.48%. The median age in Doniphan is 34 years: 32.9 years for males, and 38.7 years for females.