📍 View location on OpenStreetMap (45.286190, -97.089850)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 57266 |
| Primary City | Summit |
| State / Province | SD |
| County | Grant |
| Total Population | 626 |
| Population Density | 1.9 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 57266 | Grant County records | SD records |
|---|---|---|---|
| Population estimate | 626 | 8,747 (sum) | 906,188 (sum) |
| Population Density | 1.9 /sq mi | -- | -- |
| County population rank | #3 of 10 | -- | -- |
| State population rank | #184 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 57256 | Ortley | 6.0 mi | 238 |
| ZIP 57251 | Marvin | 7.5 mi | 228 |
| ZIP 57273 | Waubay | 9.6 mi | 1,165 |
| ZIP 57263 | South Shore | 10.8 mi | 351 |
| ZIP 57279 | Wilmot | 13.9 mi | 899 |
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 →