Sidney is located in Illinois. Sidney, Illinois has a population of 1,040. Sidney is less family-centric than the surrounding county with 29.41% of the households containing married families with children. The county average for households married with children is 30.63%.
The median household income in Sidney, Illinois is $74,943. The median household income for the surrounding county is $56,939 compared to the national median of $69,021. The median age of people living in Sidney is 36.6 years.
The average high temperature in July is 84.9 degrees, with an average low temperature in January of 16.8 degrees. The average rainfall is approximately 40.6 inches per year, with 22.1 inches of snow per year.
