Johnsonville is located in Illinois. Johnsonville, Illinois has a population of 34. Johnsonville is less family-centric than the surrounding county with 25% of the households containing married families with children. The county average for households married with children is 31.37%.
The median household income in Johnsonville, Illinois is $28,250. The median household income for the surrounding county is $51,540 compared to the national median of $69,021. The median age of people living in Johnsonville is 61.3 years.
The average high temperature in July is 87.6 degrees, with an average low temperature in January of 21.5 degrees. The average rainfall is approximately 45.1 inches per year, with 11.2 inches of snow per year.
