| Region 4 | ||||||||
| Adolescent Clients in Idaho by County | ||||||||
| Source: IDHW Client Information System | ||||||||
| 1999 | 2000 | 2001 | 2002 | 2005 | 2006 | 2007 | 2008 | |
| Ada | 98 | 170 | 151 | 87 | 14 | 19 | 25 | 99 |
| Boise | 15 | 6 | 1 | 1 | 0 | 0 | 0 | 0 |
| Elmore | 9 | 10 | 8 | 8 | 3 | 4 | 3 | 0 |
| Valley | 9 | 9 | 19 | 14 | 0 | 1 | 0 | 1 |
| Total | 131 | 195 | 179 | 110 | 17 | 24 | 28 | 100 |