Denver, MO has a population of 55 and is the 28,060th largest city in the United States. The population density is 144 per sq mi which is 66% higher than the Missouri average and 59% higher than the national average. The median age in Denver is 54 which is approximately 40% higher than the Missouri average of 38. In Denver, 86% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 67% of Denver residents were born in Missouri, 33% were born out of state, 0% were born outside of the United States and 0% were foreign born.