Kearny, AZ has a population of 2,306 and is the 10,247th largest city in the United States. The population density is 855 per sq mi which is 1386% higher than the Arizona average and 843% higher than the national average. The median age in Kearny is 37 which is approximately 1% lower than the Arizona average of 37. In Kearny, 56% of the population over 15 years of age are married, 72% speak English and 25% speak Spanish. 63% of Kearny residents were born in Arizona, 31% were born out of state, 1% were born outside of the United States and 6% were foreign born.