From a total population of 1,484, Arma has a median age of 39.9. The average age of males, in Arma, is 38 while the average age of females is 43.5. When you compare this to median age of Kansas, Arma is 3.9 years older.
The median income of individuals, in Arma, is $20,905 while the average household income is $37,292. When comparing the median income of people living in Arma to the rest of Kansas, the average income in Arma is $6,462 less.