Seneca is located in Illinois. Seneca, Illinois 61360has a population of 2,223. Seneca 61360 is more family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 26%.
The median household income in Seneca, Illinois 61360 is $77,381. 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 Seneca 61360 is 38.7 years.
The average high temperature in July is 85.39 degrees, with an average low temperature in January of 12.6 degrees. The annual precipitation is 37.01.
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Peru, IL
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