Oakwood, MO has a population of 157 and is the 25,481st largest city in the United States. The population density is 795 per sq mi which is 821% higher than the Missouri average and 778% higher than the national average. The median age in Oakwood is 56 which is approximately 45% higher than the Missouri average of 38. In Oakwood, 84% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 66% of Oakwood residents were born in Missouri, 33% were born out of state, 0% were born outside of the United States and 1% were foreign born.