Wellman, IA has a population of 1,365 and is the 13,246th largest city in the United States. The population density is 1,286 per sq mi which is 2254% higher than the Iowa average and 1319% higher than the national average. The median age in Wellman is 42 which is approximately 9% higher than the Iowa average of 38. In Wellman, 68% of the population over 15 years of age are married, 96% speak English and 1% speak Spanish. 81% of Wellman residents were born in Iowa, 18% were born out of state, 0% were born outside of the United States and 1% were foreign born.