Graf, IA has a population of 83 and is the 27,336th largest city in the United States. The population density is 628 per sq mi which is 1050% higher than the Iowa average and 593% higher than the national average. The median age in Graf is 46 which is approximately 21% higher than the Iowa average of 38. In Graf, 78% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 81% of Graf residents were born in Iowa, 19% were born out of state, 0% were born outside of the United States and 0% were foreign born.