Bonfield, IL has a population of 337 and is the 21,839th largest city in the United States. The population density is 685 per sq mi which is 208% higher than the Illinois average and 656% higher than the national average. The median age in Bonfield is 40 which is approximately 6% higher than the Illinois average of 37. In Bonfield, 70% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 87% of Bonfield residents were born in Illinois, 12% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in Bonfield is 208% higher than Illinois.
The median age in Bonfield is 6% higher than Illinois.
In Bonfield 95.85% of the population is White.
In Bonfield 0.89% of the population is Black or African American.