Halbur, IA has a population of 243 and is the 23,566th largest city in the United States. The population density is 1,246 per sq mi which is 2181% higher than the Iowa average and 1276% higher than the national average. The median age in Halbur is 30 which is approximately 21% lower than the Iowa average of 38. In Halbur, 66% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 96% of Halbur residents were born in Iowa, 4% were born out of state, 0% were born outside of the United States and 0% were foreign born.