Nilwood, IL has a population of 246 and is the 23,504th largest city in the United States. The population density is 529 per sq mi which is 138% higher than the Illinois average and 483% higher than the national average. The median age in Nilwood is 49 which is approximately 32% higher than the Illinois average of 37. In Nilwood, 63% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 87% of Nilwood residents were born in Illinois, 10% 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 Nilwood is 138% higher than Illinois.
The median age in Nilwood is 32% higher than Illinois.
In Nilwood 93.50% of the population is White.
In Nilwood 1.63% of the population is Black or African American.