ZIP codes in Deuel County

10 ZIPs touch Deuel County, South Dakota. The blue dashed line is the county border; orange ZIPs reach into it.

ZIP codes

cross the county line

7,566

people in these ZIPs

counties in SD

Most people

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Deuel County ZIP list

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All 66 counties in South Dakota

Questions people actually ask

How many ZIP codes are in Deuel County, South Dakota?

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

Which ZIP code in Deuel County has the most people?

57226 (Clear Lake) has about 1,953 residents, the most of any ZIP touching Deuel County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Deuel 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 Deuel 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