Carbon, IA has a population of 37 and is the 28,447th largest city in the United States. The population density is 52 per sq mi which is 8% lower than the Iowa average and 42% lower than the national average. The median age in Carbon is 63 which is approximately 65% higher than the Iowa average of 38. In Carbon, 68% of the population over 15 years of age are married, 89% speak English and 11% speak Spanish. 78% of Carbon residents were born in Iowa, 22% 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 Carbon is 8% lower than Iowa.
The median age in Carbon is 65% higher than Iowa.
In Carbon 81.08% of the population is White.
In Carbon 0.00% of the population is Black or African American.