Montana has a land area of 145,552 square miles making it the fourth largest in the United States. Foreign-born state residents, account for 1.8% of the total population. It has one of the largest trade, cultural, business and medical areas in the United States in a 350 mile radius. Billings is the largest metropolitan area between Fort Collins, Calgary, Minneapolis and Spokane. The center of population of Montana is located in Meagher County, in the city of White Sulphur Springs. Some of the larger cities in Montana are: Billings, Bozeman, Butte, Great Falls, Helena, Kalispell and Missoula.