ZIP codes in Big Stone County

11 ZIPs touch Big Stone County, Minnesota. The blue dashed line is the county border; orange ZIPs reach into it.

11

ZIP codes

8

cross the county line

9,233

people in these ZIPs

87

counties in MN

Most people

Big Stone County ZIP list

Questions people actually ask

How many ZIP codes are in Big Stone County, Minnesota?

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

Which ZIP code in Big Stone County has the most people?

56278 (Ortonville) has about 2,698 residents, the most of any ZIP touching Big Stone County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Big Stone 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 Big Stone 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.

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