From Longman Dictionary of Contemporary Englishboom townˈboom town noun [countable] BTIa town or city that suddenly becomes very successful because there is a lot of new industry
Examples from the Corpus
boom town• The oil price hike in 1973 turned Nabru into a boom town.• For Sharm el Sheikh is a boom town.• This port, founded as late as 1 130, very quickly came to enjoy all the characteristics of a boom town.• And really it was a boom town.• As a kid it had always struck me that it was like some western boom town. 