Airway Heights, WA has a population of 6,523 and is the 5,447th largest city in the United States. The population density is 1,086 per sq mi which is 1023% higher than the Washington average and 1098% higher than the national average. The median age in Airway Heights is 35 which is approximately 8% lower than the Washington average of 38. In Airway Heights, 33% of the population over 15 years of age are married, 89% speak English and 6% speak Spanish. 52% of Airway Heights residents were born in Washington, 39% were born out of state, 2% were born outside of the United States and 7% were foreign born.