| County : | Ada County |
| State : | Idaho (ID) |
| Land Area : | 1,052.57 sq mi |
| Water Area : | 7.89 sq mi |
| Latitude : | 43.4478606 |
| Longitude : | -116.2444560 |
| Population (2010): | 392,365 |
| Population Estimate (2012) : | 394,961 |
| Population Density : | 372.77/sq mi |
| Housing Units (2012) : | 159,471 |
| Median Household Income (2012) : | $55,499 (Idaho : $47,015, USA : $53,046) |
| Median Family Income (2012) : | $67,060 (Idaho : $55,636, USA : $64,585) |
| Median House Price (2012) : | $193,300 (Idaho : $167,100, USA : $181,400) |
Ada County Cities / Towns
| Boise City (205,671) | Eagle City (19,908) | Garden City (10,972) |
| Hidden Spring (2,280) | Kuna City (15,210) | Meridian City (75,092) |
| Star City (5,793) |
Ada County Zip Codes
| 83616 (22,780) | 83634 (24,494) | 83641 (3,438) |
| 83642 (37,008) | 83646 (47,098) | 83669 (7,365) |
| 83687 (29,697) | 83702 (22,293) | 83703 (16,565) |
| 83704 (39,628) | 83705 (26,631) | 83706 (29,732) |
| 83709 (50,034) | 83712 (8,148) | 83713 (28,103) |
| 83714 (20,290) | 83716 (14,523) |