New Haven, IL has a population of 382 and is the 21,125th largest city in the United States. The population density is 311 per sq mi which is 40% higher than the Illinois average and 243% higher than the national average. The median age in New Haven is 43 which is approximately 16% higher than the Illinois average of 37. In New Haven, 56% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 69% of New Haven residents were born in Illinois, 31% 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 40% higher than Illinois.
The median age in New Haven is 16% higher than Illinois.
In New Haven 96.34% of the population is White.
In New Haven 0.00% of the population is Black or African American.