ZIP codes in Todd County
6 ZIPs touch Todd County, South Dakota. The blue dashed line is the county border; orange ZIPs reach into it.
6
ZIP codes
2
cross the county line
12,893
people in these ZIPs
66
counties in SD
Most people
Todd County ZIP list
More counties in South Dakota
- Potter County5
- Roberts County13
- Sanborn County8
- Spink County15
- Stanley County4
- Sully County6
- Tripp County8
- Turner County15
- Union County7
- Walworth County7
- Yankton County10
- Ziebach County7
Questions people actually ask
How many ZIP codes are in Todd County, South Dakota?
6 ZIP codes reach into Todd County. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Todd County has the most people?
57580 (Winner) has about 4,386 residents, the most of any ZIP touching Todd County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Todd 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 Todd 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