There are 8 zip codes in Osage County, Missouri. The most populated is 65051, located in Linn. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
65051Linn4,842
65035Freeburg1,716
65016Bonnots Mill1,391
65085Westphalia1,225
65054Loose Creek1,187
65024Chamois975
65048Koeltztown182
65062Mount Sterling26

Osage County, Missouri Zip Codes by Population (2024)