Monroe Center, IL has a population of 463 and is the 20,006th largest city in the United States. The population density is 384 per sq mi which is 73% higher than the Illinois average and 323% higher than the national average. The median age in Monroe Center is 40 which is approximately 6% higher than the Illinois average of 37. In Monroe Center, 69% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 87% of Monroe Center residents were born in Illinois, 11% were born out of state, 1% were born outside of the United States and 1% were foreign born.
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The population density in Monroe Center is 73% higher than Illinois.
The median age in Monroe Center is 6% higher than Illinois.
In Monroe Center 96.76% of the population is White.
In Monroe Center 0.00% of the population is Black or African American.
In Monroe Center 0.43% of the population is Asian.