Birmingham, MO has a population of 227 and is the 23,886th largest city in the United States. The population density is 404 per sq mi which is 368% higher than the Missouri average and 346% higher than the national average. The median age in Birmingham is 41 which is approximately 8% higher than the Missouri average of 38. In Birmingham, 75% of the population over 15 years of age are married, 90% speak English and 10% speak Spanish. 56% of Birmingham residents were born in Missouri, 38% were born out of state, 0% were born outside of the United States and 6% were foreign born.