Knox Zip Codes
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Knox is a county of Illinois. It has a land area of 717 square miles. The population of Knox was 52,919 in 2010 with a negative growth rate of -5.2% since the year 2000.
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- Illinois Zip Codes
- Abingdon, Altona, Appleton, Columbia Heights, Dahinda, Delong, E Galesburg, East Galesburg, Galesburg, Gilson, Henderson, Henderson Grove, Hermon, Knoxville, Maquon, Oak Run, Oneida, Rio, Saint Augustine, St Augustine, Victoria, Wataga, Williamsfield, Yates City
- Zip Codes