Fillmore, IL has a population of 317 and is the 22,187th largest city in the United States. The population density is 314 per sq mi which is 41% higher than the Illinois average and 246% higher than the national average. The median age in Fillmore is 52 which is approximately 39% higher than the Illinois average of 37. In Fillmore, 75% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 85% of Fillmore residents were born in Illinois, 11% were born out of state, 2% were born outside of the United States and 2% were foreign born.
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The population density in Fillmore is 41% higher than Illinois.
The median age in Fillmore is 39% higher than Illinois.
In Fillmore 98.42% of the population is White.
In Fillmore 0.00% of the population is Black or African American.