Eddyville, IA has a population of 1,207 and is the 13,990th largest city in the United States. The population density is 1,022 per sq mi which is 1770% higher than the Iowa average and 1028% higher than the national average. The median age in Eddyville is 35 which is approximately 8% lower than the Iowa average of 38. In Eddyville, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 75% of Eddyville residents were born in Iowa, 25% were born out of state, 0% were born outside of the United States and 1% were foreign born.