Junction City, IL has a population of 455 and is the 20,139th largest city in the United States. The population density is 673 per sq mi which is 203% higher than the Illinois average and 642% higher than the national average. The median age in Junction City is 44 which is approximately 19% higher than the Illinois average of 37. In Junction City, 64% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 90% of Junction City residents were born in Illinois, 9% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in Junction City is 203% higher than Illinois.
The median age in Junction City is 19% higher than Illinois.
In Junction City 96.04% of the population is White.
In Junction City 1.10% of the population is Black or African American.
In Junction City 0.66% of the population is Asian.