Ames, IA has a population of 64,073 and is the 583rd largest city in the United States. The population density is 2,542 per sq mi which is 4553% higher than the Iowa average and 2705% higher than the national average. The median age in Ames is 23 which is approximately 39% lower than the Iowa average of 38. In Ames, 35% of the population over 15 years of age are married, 87% speak English and 2% speak Spanish. 53% of Ames residents were born in Iowa, 34% were born out of state, 1% were born outside of the United States and 12% were foreign born.