Kila, MT has a population of 423 and is the 20,558th largest city in the United States. The population density is 106 per sq mi which is 1452% higher than the Montana average and 17% higher than the national average. The median age in Kila is 37 which is approximately 6% lower than the Montana average of 40. In Kila, 72% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 44% of Kila residents were born in Montana, 54% were born out of state, 1% were born outside of the United States and 1% were foreign born.