Seneca, IL Insights: Population,
Zip Codes, Influence, and Service Areas

Seneca is a village in LaSalle and Grundy counties in the U.S. state of Illinois. The population was 2,353 at the 2020 census, down from 2,371 at the 2010 census.

Zip Codes in Seneca, IL that we also serve: 60450 61360





Cities Close To Seneca, IL That We Also Serve



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