Johnsonville, IL has a population of 58 and is the 27,988th largest city in the United States. The population density is 274 per sq mi which is 23% higher than the Illinois average and 202% higher than the national average. The median age in Johnsonville is 51 which is approximately 37% higher than the Illinois average of 37. In Johnsonville, 54% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 95% of Johnsonville residents were born in Illinois, 5% 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 Johnsonville is 23% higher than Illinois.
The median age in Johnsonville is 37% higher than Illinois.
In Johnsonville 94.83% of the population is White.
In Johnsonville 0.00% of the population is Black or African American.