New Haven, IA has a population of 84 and is the 27,327th largest city in the United States. The population density is 44 per sq mi which is 20% lower than the Iowa average and 52% lower than the national average. The median age in New Haven is 28 which is approximately 27% lower than the Iowa average of 38. In New Haven, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 80% of New Haven residents were born in Iowa, 20% 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 New Haven is 20% lower than Iowa.
The median age in New Haven is 27% lower than Iowa.
In New Haven 100.00% of the population is White.
In New Haven 0.00% of the population is Black or African American.