📍 View location on OpenStreetMap (45.515990, -100.777600)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 57657 |
| Primary City | Trail City |
| State / Province | SD |
| County | Corson |
| Total Population | 247 |
| Population Density | 0.5 people/sq mi |
| Timezone | America/Denver |
| Metric | ZIP 57657 | Corson County records | SD records |
|---|---|---|---|
| Population estimate | 247 | 4,221 (sum) | 906,188 (sum) |
| Population Density | 0.5 /sq mi | -- | -- |
| County population rank | #6 of 11 | -- | -- |
| State population rank | #279 of 372 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 57639 | Little Eagle | 11.3 mi | 290 |
| ZIP 57630 | Glencross | 11.9 mi | 11 |
| ZIP 57658 | Wakpala | 14.4 mi | 319 |
| ZIP 57601 | Mobridge | 16.5 mi | 3,422 |
| ZIP 57656 | Timber Lake | 17.2 mi | 1,000 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →