Savanna is located in Illinois. Savanna, Illinois 61074 has population of 2,962. Savanna 61074 is less family-centric than the surrounding county with 17% of the households with children.
The median household income in Savanna, Illinois 61074 is $34,808. The median household income for the surrounding county is $54,579 compared to the national median of $66,222. The median age of people living in Savanna 61074 is 43.2 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 7.5 degrees. The annual precipitation is 37.8.