St. Donatus, IA has a population of 139 and is the 25,947th largest city in the United States. The population density is 374 per sq mi which is 585% higher than the Iowa average and 313% higher than the national average. The median age in St. Donatus is 50 which is approximately 31% higher than the Iowa average of 38. In St. Donatus, 86% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of St. Donatus residents were born in Iowa, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in St. Donatus is 585% higher than Iowa.
The median age in St. Donatus is 31% higher than Iowa.
In St. Donatus 99.28% of the population is White.
In St. Donatus 0.00% of the population is Black or African American.