The Billings Metropolitan Statistical Area is the largest and fastest growing metropolitan area in the U.S. state of Montana. Located in the south central portion of the state, its population was estimated at 180,385 in 2018.It includes Carbon, Stillwater(not shown on map), and Yellowstone Counties in the state of Montana, and has one of the geographically largest trade, cultural, business and medical areas in the United States; this includes all of Montana, northern Wyoming and the western Dakotas.
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