Harrison, IL has a population of 965 and is the 15,382nd largest city in the United States. The population density is 469 per sq mi which is 111% higher than the Illinois average and 418% higher than the national average. The median age in Harrison is 38 which is approximately 2% higher than the Illinois average of 37. In Harrison, 67% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of Harrison residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Harrison is 111% higher than Illinois.
The median age in Harrison is 2% higher than Illinois.
In Harrison 98.55% of the population is White.
In Harrison 0.00% of the population is Black or African American.