Garrett, IL has a population of 79 and is the 27,440th largest city in the United States. The population density is 590 per sq mi which is 165% higher than the Illinois average and 551% higher than the national average. The median age in Garrett is 52 which is approximately 38% higher than the Illinois average of 37. In Garrett, 72% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 78% of Garrett residents were born in Illinois, 22% 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 Garrett is 165% higher than Illinois.
The median age in Garrett is 38% higher than Illinois.
In Garrett 94.94% of the population is White.
In Garrett 0.00% of the population is Black or African American.