Fastest-growing city in Wyoming: Gillette

Fastest-growing city in Wyoming: Gillette

Number of households: 11,744
Pct. Chg: +6% since 2008 (+31% since 2000)
Average household income: $81,164 (+51% since 2000)
Why: This small city has grown due to its rich sources of coal, oil, and methane gas. According to Hoover's, the largest employers here are Cyclone Drilling, Cordero Mining Co., and Wal-Mart.