Centralia, IA has a population of 137 and is the 25,975th largest city in the United States. The population density is 221 per sq mi which is 305% higher than the Iowa average and 144% higher than the national average. The median age in Centralia is 43 which is approximately 14% higher than the Iowa average of 38. In Centralia, 57% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Centralia residents were born in Iowa, 12% 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 Centralia is 305% higher than Iowa.
The median age in Centralia is 14% higher than Iowa.
In Centralia 100.00% of the population is White.
In Centralia 0.00% of the population is Black or African American.