County ZIP codes · South Dakota · FIPS 46121
Todd County, SD ZIP Codes
Todd County, South Dakota has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Todd County and 4 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $51,788 in 57570 (Rosebud) to $62,101 in 69201 (Valentine) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Todd County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 9 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 9 residential ZIP codes in Todd County
5 ZIP codes lie mainly in Todd County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 57555 | Mission | 3,740 | 11 | $41k | $85k | 100% |
| 57570 | Rosebud | 2,071 | 44 | $52k | $50k | 100% |
| 57572 | Saint Francis | 1,317 | 6 | $40k | $38k | 100% |
| 57566 | Parmelee | 1,184 | 8 | $14k | $12k | 91% |
| 57563 | Okreek | 195 | 7 | – | – | 100% |
Partly in Todd County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Todd County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Todd | Elsewhere |
|---|---|---|
| 57580 | 17% | Tripp County 80%; Mellette County 3% |
| 69201 | 17% | Cherry County 83% |
| 57566 | 91% | Mellette County 9% |
| 69212 | 43% | Cherry County 57% |
| 69216 | 29% | Cherry County 71% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Todd County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Todd County's ZIP codes use 2 prefixes: 575 and 692.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.