Passage: Missoula County is a county in the State of Montana. As of the 2010 United States Census, the population was 109,426, making it Montana's second-most populous county. Its county seat and largest city is Missoula. The county was founded in 1860.Missoula County comprises the Missoula, MT Metropolitan Statistical Area.

Question: What state is Missoula County in?
Montana