Waverly, MO has a population of 876 and is the 15,981st largest city in the United States. The population density is 694 per sq mi which is 704% higher than the Missouri average and 667% higher than the national average. The median age in Waverly is 37 which is approximately 4% lower than the Missouri average of 38. In Waverly, 55% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 89% of Waverly residents were born in Missouri, 9% were born out of state, 0% were born outside of the United States and 2% were foreign born.