North Miami, OK has a population of 371 and is the 21,299th largest city in the United States. The population density is 1,913 per sq mi which is 3404% higher than the Oklahoma average and 2011% higher than the national average. The median age in North Miami is 36 which is approximately 1% lower than the Oklahoma average of 36. In North Miami, 62% of the population over 15 years of age are married, 92% speak English and 8% speak Spanish. 52% of North Miami residents were born in Oklahoma, 46% were born out of state, 1% were born outside of the United States and 1% were foreign born.