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ZIP codes in Marion County

14 ZIPs touch Marion County, Arkansas. The blue dashed line is the county border; orange ZIPs reach into it.

14

ZIP codes

7

cross the county line

82,416

people in these ZIPs

75

counties in AR

Most people

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Marion County ZIP list

More counties in Arkansas

All 75 counties in Arkansas

Questions people actually ask

How many ZIP codes are in Marion County, Arkansas?

14 ZIP codes reach into Marion County. 7 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Marion County has the most people?

72601 (Harrison) has about 31,370 residents, the most of any ZIP touching Marion County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Marion 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 Marion 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