| Rank | City | Businesses | 
|---|---|---|
| 1 | Boise City, Idaho | 24,611 | 
| 2 | Meridian, Idaho | 8,078 | 
| 3 | Idaho Falls, Idaho | 7,345 | 
| 4 | Nampa, Idaho | 6,775 | 
| 5 | Coeur d'Alene, Idaho | 5,249 | 
| 6 | Pocatello, Idaho | 4,662 | 
| 7 | Twin Falls, Idaho | 4,525 | 
| 8 | Post Falls, Idaho | 3,043 | 
| 9 | Caldwell, Idaho | 2,945 | 
| 10 | Eagle, Idaho | 2,893 | 
| 11 | Lewiston, Idaho | 2,755 | 
| 12 | Hayden, Idaho | 2,060 | 
| 13 | Rexburg, Idaho | 1,960 | 
| 14 | Moscow, Idaho | 1,680 | 
| 15 | Sandpoint, Idaho | 1,668 | 
| 16 | Hailey, Idaho | 1,571 | 
| 17 | Garden City, Idaho | 1,553 | 
| 18 | Mountain Home, Idaho | 1,135 | 
| 19 | Ammon, Idaho | 1,088 | 
| 20 | Chubbuck, Idaho | 1,025 | 
| 21 | Blackfoot, Idaho | 971 | 
| 22 | Jerome, Idaho | 842 | 
| 23 | Kuna, Idaho | 823 | 
| 24 | Payette, Idaho | 710 | 
| 25 | Preston, Idaho | 655 | 
| 26 | Rupert, Idaho | 629 | 
| 27 | Rathdrum, Idaho | 565 | 
| 28 | Weiser, Idaho | 468 | 
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