Hanna, OK has a population of 92 and is the 27,155th largest city in the United States. The population density is 739 per sq mi which is 1255% higher than the Oklahoma average and 716% higher than the national average. The median age in Hanna is 33 which is approximately 8% lower than the Oklahoma average of 36. In Hanna, 47% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 93% of Hanna residents were born in Oklahoma, 5% were born out of state, 1% were born outside of the United States and 0% were foreign born.