Jesup, IA has a population of 2,809 and is the 9,134th largest city in the United States. The population density is 1,516 per sq mi which is 2675% higher than the Iowa average and 1573% higher than the national average. The median age in Jesup is 35 which is approximately 9% lower than the Iowa average of 38. In Jesup, 65% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 93% of Jesup residents were born in Iowa, 6% were born out of state, 0% were born outside of the United States and 0% were foreign born.