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Buchanan County ZIP Codes

List of ZIP Codes in Buchanan County

The following table lists ZIP Codes associated with Buchanan County, Missouri, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 64401 39.63452 -94.71522 Agency 1,604 16.7
2 64440 39.57849 -94.91841 De Kalb 876 9.3
3 64443 39.74724 -94.65205 Easton 1,647 13.1
4 64448 39.60258 -94.81856 Faucett 862 8.2
5 64484 39.55638 -95.01974 Rushville 843 4.5
6 64501 39.76584 -94.84448 Saint Joseph 10,354 1076.6
7 64503 39.74973 -94.84545 Saint Joseph 11,921 317.9
8 64504 39.68605 -94.91264 Saint Joseph 10,286 84.6
9 64506 39.79048 -94.80277 Saint Joseph 22,107 851.3
10 64507 39.73324 -94.75735 Saint Joseph 14,159 97.9


About Buchanan County ZIP Codes

Buchanan County in Missouri (MO) is served by approximately 10 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 74,659 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Buchanan County are located in cities such as Saint Joseph, Easton, Agency, De Kalb, Faucett. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Buchanan County, Missouri follow the America/Chicago time zone.

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