County ZIP codes · South Dakota · FIPS 46107
Potter County, SD ZIP Codes
Potter County, South Dakota has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Potter County and 1 mainly in a neighboring county; 4 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Potter County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 5 residential ZIP codes in Potter County
4 ZIP codes lie mainly in Potter County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 57442 | Gettysburg | 1,772 | 3 | $66k | $135k | 84% |
| 57450 | Hoven | 624 | 3 | $87k | $134k | 65% |
| 57455 | Lebanon | 137 | 1 | $86k | $81k | 100% |
| 57475 | Tolstoy | 99 | 1 | $88k | $85k | 52% |
Partly in Potter County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 57473 | Seneca | 246 | 1 | $24k | $178k | 18% |
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?
4 ZIP codes of Potter County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Potter | Elsewhere |
|---|---|---|
| 57442 | 84% | Dewey County14%; Sully County2% |
| 57450 | 65% | Walworth County35% |
| 57473 | 18% | Faulk County82% |
| 57475 | 52% | Edmunds County48% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Potter County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Potter County starts with 574.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 574 | Dakota Central, SD (SCF 572) | 5 | 50 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.