
Hardtner
- County:
- Barber County
- County Seat:
- No
- Area (mi²):
- 0.275
- State:
- Kansas
Hardtner is a city located in Barber County, Kansas. Hardtner has a 2025 population of 157. Hardtner is currently declining at a rate of -1.26% annually and its population has decreased by -5.42% since the most recent census, which recorded a population of 166 in 2020.
The average household income in Hardtner is $48,475 with a poverty rate of 17.5%. The median age in Hardtner is 44.1 years: 28.3 years for males, and 54 years for females.