Arma is a city located in Crawford County Kansas. With a 2020 population of 1,406, it is the 150th largest city in Kansas and the 8960th largest city in the United States . Arma is currently declining at a rate of -0.50% annually and its population has decreased by -5.06% since the most recent census, which recorded a population of 1,481 in 2010. Arma reached it's highest population of 1,488 in 2010. Spanning over 1 miles, Arma has a population density of 1,240 people per square mile.
The average household income in Arma is $53,107 with a poverty rate of 22.69%. The median rental costs in recent years comes to $568 per month, and the median house value is $77,600. The median age in Arma is 47.9 years, 42.6 years for males, and 51.5 years for females.