Adair, IL has a population of 178 and is the 24,954th largest city in the United States. The population density is 414 per sq mi which is 86% higher than the Illinois average and 357% higher than the national average. The median age in Adair is 44 which is approximately 16% higher than the Illinois average of 37. In Adair, 80% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of Adair residents were born in Illinois, 8% 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 Adair is 86% higher than Illinois.
The median age in Adair is 16% higher than Illinois.
In Adair 100.00% of the population is White.
In Adair 0.00% of the population is Black or African American.