| Zip Code : | 83449 |
| City : | Irwin city, Swan Valley city |
| County : | Bonneville County |
| State : | Idaho (ID) |
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| Land Area : | 370.16 sq mi |
| Water Area : | 3.89 sq mi |
| Latitude : | 43.2590479 |
| Longitude : | -111.4171905 |
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| Population (2010): | 249 |
| Population Estimate (2012) : | 194 |
| Population Density : | 0.67/sq mi |
| Housing Units (2012) : | 215 |
| Median Household Income (2012) : | $47,159 (Idaho : $47,015, USA : $53,046) |
| Median Family Income (2012) : | $59,000 (Idaho : $55,636, USA : $64,585) |
| Median House Price (2012) : | $269,400 (Idaho : $167,100, USA : $181,400) |