Arma is a city located in Crawford County, in the state of Kansas (KS), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 1.0 square miles (3.0 km²) and sits at an elevation of 1003 ft. With a population of approximately 1,529 residents, Arma offers a peaceful, rural atmosphere.
The town's population is composed of about 46.89% males and 53.11% females, and it has a population density of 470.19 people per square mile (567.64/km²). Arma lies at a latitude of 37.54 and a longitude of -94.7, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (8.1%), followed by English (9.7%), German (19%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 66712.