Waverly, IL has a population of 1,222 and is the 13,925th largest city in the United States. The population density is 1,183 per sq mi which is 432% higher than the Illinois average and 1206% higher than the national average. The median age in Waverly is 41 which is approximately 10% higher than the Illinois average of 37. In Waverly, 63% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 85% of Waverly residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.