Essex, IA has a population of 859 and is the 16,115th largest city in the United States. The population density is 571 per sq mi which is 945% higher than the Iowa average and 530% higher than the national average. The median age in Essex is 42 which is approximately 10% higher than the Iowa average of 38. In Essex, 62% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 64% of Essex residents were born in Iowa, 36% 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 Essex is 945% higher than Iowa.
The median age in Essex is 10% higher than Iowa.
In Essex 95.69% of the population is White.
In Essex 0.00% of the population is Black or African American.