Fastest-growing city in Montana: Bozeman

Number of households: 18,590
Change YOY: 3.19 percent
Change since 2000: 32.49 percent
Average household income: $75,538

Why: Bozeman, home to Montana State University, has attracted new residents with a high quality of living, natural scenery, and outdoor recreation. The city's economy is largely supported by agriculture, but tourism and the high tech industry are expanding in the area, according to the Bozeman Area Chamber of Commerce.