Kayenta, AZ has a population of 4,838 and is the 6,608th largest city in the United States. The population density is 367 per sq mi which is 539% higher than the Arizona average and 305% higher than the national average. The median age in Kayenta is 26 which is approximately 30% lower than the Arizona average of 37. In Kayenta, 37% of the population over 15 years of age are married, 15% speak English and 1% speak Spanish. 77% of Kayenta residents were born in Arizona, 21% were born out of state, 1% were born outside of the United States and 0% were foreign born.