Alleman, IA has a population of 499 and is the 19,552nd largest city in the United States. The population density is 185 per sq mi which is 238% higher than the Iowa average and 104% higher than the national average. The median age in Alleman is 44 which is approximately 17% higher than the Iowa average of 38. In Alleman, 70% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 83% of Alleman residents were born in Iowa, 15% were born out of state, 1% were born outside of the United States and 1% were foreign born.
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The population density in Alleman is 238% higher than Iowa.
The median age in Alleman is 17% higher than Iowa.
In Alleman 98.60% of the population is White.
In Alleman 0.00% of the population is Black or African American.