There are 8 zip codes in Lewis County, Missouri. The most populated is 63435, located in Canton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
634354,205Canton
634481,436La Grange
634471,217La Belle
634521,185Lewistown
634401,012Ewing
63457494Monticello
63473318Williamstown
63438232Durham

Zip Codes in Lewis County, Missouri by Population (2024)