Brussels, IL has a population of 123 and is the 26,318th largest city in the United States. The population density is 221 per sq mi which is 1% lower than the Illinois average and 143% higher than the national average. The median age in Brussels is 44 which is approximately 17% higher than the Illinois average of 37. In Brussels, 61% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 80% of Brussels residents were born in Illinois, 18% 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 Brussels is 1% lower than Illinois.
The median age in Brussels is 17% higher than Illinois.
In Brussels 97.56% of the population is White.
In Brussels 0.81% of the population is Black or African American.