Coburg, IA has a population of 58 and is the 27,978th largest city in the United States. The population density is 200 per sq mi which is 265% higher than the Iowa average and 120% higher than the national average. The median age in Coburg is 32 which is approximately 17% lower than the Iowa average of 38. In Coburg, 58% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 69% of Coburg residents were born in Iowa, 31% were born out of state, 0% were born outside of the United States and 0% were foreign born.