| City : | Fairfield City |
| County : | Benton County, Camas County |
| State : | Idaho (ID) |
| Land Area : | 0.88 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.3480588 |
| Longitude : | -114.8009225 |
| Population (2010): | 416 |
| Population Estimate (2012) : | 483 |
| Population Density : | 472.22/sq mi |
| Housing Units (2012) : | 244 |
| Median Household Income (2012) : | $37,750 (Idaho : $47,015, USA : $53,046) |
| Median Family Income (2012) : | $43,750 (Idaho : $55,636, USA : $64,585) |
| Median House Price (2012) : | $112,900 (Idaho : $167,100, USA : $181,400) |
Fairfield City Zip Codes
| 83327 (970) |