Sidney is located in Illinois. Sidney, Illinois 61877has a population of 1,154. Sidney 61877 is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 23%.
The median household income in Sidney, Illinois 61877 is $80,940. The median household income for the surrounding county is $56,059 compared to the national median of $66,222. The median age of people living in Sidney 61877 is 40.3 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 16.2 degrees. The annual precipitation is 40.44.