Overland, MO has a population of 15,932 and is the 2,686th largest city in the United States. The population density is 3,651 per sq mi which is 4126% higher than the Missouri average and 3930% higher than the national average. The median age in Overland is 37 which is approximately 4% lower than the Missouri average of 38. In Overland, 48% of the population over 15 years of age are married, 85% speak English and 9% speak Spanish. 72% of Overland residents were born in Missouri, 18% were born out of state, 1% were born outside of the United States and 9% were foreign born.