
Alton
- County:
- Osborne County
- County Seat:
- No
- Area (mi²):
- 0.309
- State:
- Kansas
Alton is a city located in Osborne County, Kansas. Alton has a 2025 population of 95. Alton is currently declining at a rate of -1.04% annually and its population has decreased by -5% since the most recent census, which recorded a population of 100 in 2020.
The average household income in Alton is $74,983 with a poverty rate of 18.25%. The median age in Alton is 29.7 years: 29.3 years for males, and 39 years for females.