The city of Billings is located in southwest Montana and is the state’s largest city and urban area. The city’s population is over 100,000 as of 2010, and its metro area carried over 162,000. Its trade area, which services local industry, is even larger, at half a million. Billings is also the county seat for Yellowstone County, which has experienced large growth in recent years. The city’s industries have done very well even through the recession, with the discovery of oil and natural gas in the region.