Hillsboro, IA has a population of 228 and is the 23,876th largest city in the United States. The population density is 453 per sq mi which is 729% higher than the Iowa average and 400% higher than the national average. The median age in Hillsboro is 34 which is approximately 10% lower than the Iowa average of 38. In Hillsboro, 75% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 82% of Hillsboro residents were born in Iowa, 18% 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 Hillsboro is 729% higher than Iowa.
The median age in Hillsboro is 10% lower than Iowa.
In Hillsboro 99.56% of the population is White.
In Hillsboro 0.00% of the population is Black or African American.