Superior, IA has a population of 168 and is the 25,192nd largest city in the United States. The population density is 390 per sq mi which is 613% higher than the Iowa average and 330% higher than the national average. The median age in Superior is 27 which is approximately 28% lower than the Iowa average of 38. In Superior, 63% of the population over 15 years of age are married, 95% speak English and 5% speak Spanish. 65% of Superior residents were born in Iowa, 33% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in Superior is 613% higher than Iowa.
The median age in Superior is 28% lower than Iowa.
In Superior 98.21% of the population is White.
In Superior 0.00% of the population is Black or African American.