Tonica is located in Illinois. Tonica, Illinois 61370 has population of 664. Tonica 61370 is more family-centric than the surrounding county with 27% of the households with children.
The median household income in Tonica, Illinois 61370 is $58,816. The median household income for the surrounding county is $59,610 compared to the national median of $66,222. The median age of people living in Tonica 61370 is 40.9 years.
The average high temperature in July is 85.77 degrees, with an average low temperature in January of 12.23 degrees. The annual precipitation is 37.53.
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