Buchanan County, MO ZIP Codes

14 ZIP codes cover all or part of Buchanan County, Missouri. The Census Bureau counts 83,568 residents in the county, with a median household income of $62,158 and a median home value of $166,300. Median household income ranges from $46,731 in 64501 to $99,398 in 64401. Its largest communities include St. Joseph, Country Club, Agency, De Kalb and Easton.

Buchanan County (Census county figures)

MeasureCensus figure
Residents83,568
Households33,439
Median household income$62,158
Median home value$166,300
Median age38.9
Median rent$902

All 14 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)93,549
Households (sum of ZIP codes)37,204
Median household income, range across ZIP codes$46,731 (64501) to $99,398 (64401)
Household-weighted average of ZIP medians (an approximation, not a true median)$63,256
Homeowners67.6%
Households with kids under 1827.6%
Moved in the past year12.5%
Carrier routes in EDDM2GO's route library36 routes, 16,168 homes (7 of 14 ZIP codes)

Top facts

Every ZIP code in Buchanan County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
64506Saint Joseph21,4618,897$65,573$240,30060.8%23.9%14.7%1910,38496% of its land
64505Saint Joseph14,1075,266$73,298$191,10073.8%32.0%9.2%——23% of its land
64507Saint Joseph13,9915,514$61,158$140,30067.1%26.3%15.2%——99% of its land
64503Saint Joseph11,9545,103$53,039$140,50068.7%26.1%13.7%——100% of its land
64501Saint Joseph10,6894,254$46,731$98,60049.2%27.2%16.6%——100% of its land
64504Saint Joseph10,0683,888$58,801$127,10073.1%30.6%9.8%94,220100% of its land
64454Gower2,9411,066$87,262$260,80089.9%39.2%5.3%21,00844% of its land
64401Agency1,757650$99,398$271,90098.0%33.1%6.1%——100% of its land
64439Dearborn1,537582$91,136$286,10090.2%22.0%5.1%——41% of its land
64443Easton1,249438$86,042$300,00078.1%35.8%6.4%——100% of its land
64444Edgerton1,043484$68,482$233,80068.2%21.3%11.2%261319% of its land
64484Rushville940384$77,917$163,40082.6%23.7%7.2%247166% of its land
64448Faucett912369$76,058$258,50091.1%24.7%2.0%1454100% of its land
64440De Kalb900309$94,306$187,80082.5%37.5%5.1%129491% of its land

A ZIP code is listed for Buchanan County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Buchanan County ZIP codes

EDDM guides

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Frequently asked questions

What ZIP codes are in Buchanan County, MO?
64506, 64505, 64507, 64503, 64501, 64504, 64454, 64401, 64439, 64443, 64444, 64484, 64448 and 64440. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Buchanan County?
83,568 residents in 33,439 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Buchanan County?
$62,158 for the county as a whole. Its ZIP codes range from $46,731 (64501) to $99,398 (64401).
Which Buchanan County ZIP code has the highest median household income?
64401, at $99,398, among ZIP codes with at least 1,000 residents. See the full ranking of Buchanan County ZIP codes by income.
How many carrier routes and mailboxes are in Buchanan County?
For the 7 of 14 ZIP codes in EDDM2GO's stored route library: 36 carrier routes reaching 16,168 residential and 1,279 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.