Winchester is located in Illinois. Winchester, Illinois has a population of 1,625. Winchester is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 24%.
The median household income in Winchester, Illinois is $54,386. The median household income for the surrounding county is $56,067 compared to the national median of $66,222. The median age of people living in Winchester is 42.6 years.
The average high temperature in July is 86.7 degrees, with an average low temperature in January of 15.7 degrees. The annual precipitation is 35.69.