Colo, IA has a population of 886 and is the 15,907th largest city in the United States. The population density is 834 per sq mi which is 1427% higher than the Iowa average and 821% higher than the national average. The median age in Colo is 41 which is approximately 7% higher than the Iowa average of 38. In Colo, 62% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 79% of Colo residents were born in Iowa, 21% 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 Colo is 1427% higher than Iowa.
The median age in Colo is 7% higher than Iowa.
In Colo 98.76% of the population is White.
In Colo 0.00% of the population is Black or African American.