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Buchanan County, Missouri Zip Codes
Zip Code
City
Population
64506
Saint Joseph
22,241
64507
Saint Joseph
14,316
64503
Saint Joseph
12,033
64501
Saint Joseph
10,567
64504
Saint Joseph
10,348
64443
Easton
1,734
64401
Agency
1,299
64448
Faucett
935
64440
De Kalb
904
64484
Rushville
819
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.