Hull, IA has a population of 2,146 and is the 10,598th largest city in the United States. The population density is 1,609 per sq mi which is 2846% higher than the Iowa average and 1676% higher than the national average. The median age in Hull is 31 which is approximately 18% lower than the Iowa average of 38. In Hull, 71% of the population over 15 years of age are married, 88% speak English and 11% speak Spanish. 65% of Hull residents were born in Iowa, 28% were born out of state, 0% were born outside of the United States and 7% were foreign born.