The Big Arm, MT employment information can be a key indicator when searching for a new job. A good indicator of the strength of the job market is the income per capita and the median household income. The income per capita in Big Arm is $30,684, which is 12% higher than than the Montana average and 3% higher than than the national average. The median household income is $75,590, which is 56% higher than than the Montana average and 37% higher than than the national average. The unemployment rate in Big Arm is 5%, which is 13% higher than than the national average. The poverty rate in Big Arm is 13% which is 15% lower than than the national average.