Colwell, IA has a population of 67 and is the 27,723rd largest city in the United States. The population density is 365 per sq mi which is 568% higher than the Iowa average and 303% higher than the national average. The median age in Colwell is 27 which is approximately 29% lower than the Iowa average of 38. In Colwell, 36% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 87% of Colwell residents were born in Iowa, 13% 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 Colwell is 568% higher than Iowa.
The median age in Colwell is 29% lower than Iowa.
In Colwell 100.00% of the population is White.
In Colwell 0.00% of the population is Black or African American.