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 2026 population of 81. Sumner is currently growing at a rate of 1.25% annually and its population has increased by 1.25% since the most recent census, which recorded a population of 80 in 2020.
The median household income in Sumner is $45,000 with a poverty rate of 2.94%. The median age in Sumner is 54.2 years: 55.5 years for males, and 42 years for females. For every 100 females there are 100.0 males.