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.