Oak Run, IL has a population of 528 and is the 19,222nd largest city in the United States. The population density is 149 per sq mi which is 33% lower than the Illinois average and 65% higher than the national average. The median age in Oak Run is 61 which is approximately 62% higher than the Illinois average of 37. In Oak Run, 81% of the population over 15 years of age are married, 95% speak English and 1% speak Spanish. 75% of Oak Run residents were born in Illinois, 20% were born out of state, 1% were born outside of the United States and 4% were foreign born.
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The population density in Oak Run is 33% lower than Illinois.
The median age in Oak Run is 62% higher than Illinois.
In Oak Run 97.16% of the population is White.
In Oak Run 0.95% of the population is Black or African American.