Miami, Oklahoma includes 0 nearby mines. Miami (/maɪˈæmə/ my-AM-ə)) is a city in and county seat of Ottawa County Oklahoma United States. As of the 2010 census the population was 13570 a decline of one percent from 13704 at the 2000 census. The city is named after the Miami tribe. Miami is the capital of the Miami Tribe of Oklahoma Modoc ...