
Arma
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 1.134
- State:
- Kansas
Arma is a city located in Crawford County, Kansas. Arma has a 2025 population of 1,368. Arma is currently declining at a rate of -0.58% annually and its population has decreased by -2.84% since the most recent census, which recorded a population of 1,408 in 2020.
The average household income in Arma is $68,259 with a poverty rate of 11.43%. The median age in Arma is 55.6 years: 55.1 years for males, and 57.1 years for females.