Delmar, IA has a population of 497 and is the 19,578th largest city in the United States. The population density is 654 per sq mi which is 1098% higher than the Iowa average and 622% higher than the national average. The median age in Delmar is 37 which is approximately 3% lower than the Iowa average of 38. In Delmar, 61% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 85% of Delmar residents were born in Iowa, 14% were born out of state, 0% were born outside of the United States and 2% were foreign born.
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The population density in Delmar is 1098% higher than Iowa.
The median age in Delmar is 3% lower than Iowa.
In Delmar 94.97% of the population is White.
In Delmar 0.00% of the population is Black or African American.