
Sumner
- County:
- Chariton County
- County Seat:
- No
- Area (mi²):
- 0.226
- State:
- Missouri
Sumner is a town located in Chariton County, Missouri. Sumner has a 2025 population of 79. Sumner is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 79 in 2020.
The average household income in Sumner is $59,041 with a poverty rate of 4.35%. The median age in Sumner is 57.8 years: 63.5 years for males, and 44.5 years for females.