Arma is a city located in Kansas. With a 2020 population of 1,422, it is the 148th largest city in Kansas and the 8917th largest city in the United States. Arma is currently declining at a rate of -0.42% annually and its population has decreased by -3.98% 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 1,254 people per square mile.
The average household income in Arma is $60,450 with a poverty rate of 19.78%. The median rental costs in recent years comes to $578 per month, and the median house value is $85,900. The median age in Arma is 46.9 years, 42.4 years for males, and 51.1 years for females. For every 100 females there are 73.7 males.