ZIP codes in Pope County

10 ZIPs touch Pope County, Illinois. The blue dashed line is the county border; orange ZIPs reach into it.

ZIP codes

cross the county line

31,501

people in these ZIPs

102

counties in IL

Most people

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Pope County ZIP list

More counties in Illinois

All 102 counties in Illinois

Questions people actually ask

How many ZIP codes are in Pope County, Illinois?

10 ZIP codes reach into Pope County. 9 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Pope County has the most people?

62946 (Harrisburg) has about 11,256 residents, the most of any ZIP touching Pope County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Pope 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 Pope 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