Ankeny, IA has a population of 53,413 and is the 752nd largest city in the United States. The population density is 1,806 per sq mi which is 3206% higher than the Iowa average and 1894% higher than the national average. The median age in Ankeny is 32 which is approximately 16% lower than the Iowa average of 38. In Ankeny, 60% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 72% of Ankeny residents were born in Iowa, 24% were born out of state, 0% were born outside of the United States and 4% were foreign born.