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ZIP codes in Barton County

8 ZIPs touch Barton County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.

8

ZIP codes

6

cross the county line

19,269

people in these ZIPs

115

counties in MO

Most people

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Barton County ZIP list

More counties in Missouri

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Questions people actually ask

How many ZIP codes are in Barton County, Missouri?

8 ZIP codes reach into Barton County. 6 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Barton County has the most people?

64759 (Lamar) has about 8,310 residents, the most of any ZIP touching Barton County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Barton County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Barton County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

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Updated 2026-11-10 · Where the data comes from