Waverly, WA has a population of 56 and is the 28,020th largest city in the United States. The population density is 136 per sq mi which is 41% higher than the Washington average and 51% higher than the national average. The median age in Waverly is 44 which is approximately 16% higher than the Washington average of 38. In Waverly, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 77% of Waverly residents were born in Washington, 21% were born out of state, 0% were born outside of the United States and 2% were foreign born.