Granger, IA has a population of 1,461 and is the 12,847th largest city in the United States. The population density is 864 per sq mi which is 1482% higher than the Iowa average and 854% higher than the national average. The median age in Granger is 33 which is approximately 12% lower than the Iowa average of 38. In Granger, 67% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 72% of Granger residents were born in Iowa, 25% were born out of state, 1% were born outside of the United States and 2% were foreign born.