Cromwell, IA has a population of 102 and is the 26,861st largest city in the United States. The population density is 352 per sq mi which is 544% higher than the Iowa average and 288% higher than the national average. The median age in Cromwell is 45 which is approximately 19% higher than the Iowa average of 38. In Cromwell, 66% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 82% of Cromwell residents were born in Iowa, 15% were born out of state, 1% were born outside of the United States and 2% were foreign born.
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The population density in Cromwell is 544% higher than Iowa.
The median age in Cromwell is 19% higher than Iowa.
In Cromwell 100.00% of the population is White.
In Cromwell 0.00% of the population is Black or African American.