Guernsey, IA has a population of 72 and is the 27,607th largest city in the United States. The population density is 391 per sq mi which is 616% higher than the Iowa average and 332% higher than the national average. The median age in Guernsey is 49 which is approximately 28% higher than the Iowa average of 38. In Guernsey, 55% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 93% of Guernsey residents were born in Iowa, 7% 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 Guernsey is 616% higher than Iowa.
The median age in Guernsey is 28% higher than Iowa.
In Guernsey 100.00% of the population is White.
In Guernsey 0.00% of the population is Black or African American.