| Region 3 | ||||||||
| Adolescent Primary Drug of Abuse by County | ||||||||
| Source: IDHW Client Information System | ||||||||
| 2001-2002 | Alcohol | Methamphetamines | Marijuana | Cocaine | Heroin | |||
| Adams | 1 | 0 | 0 | 0 | 0 | |||
| Canyon | 30 | 18 | 57 | 0 | 0 | |||
| Gem | 8 | 2 | 15 | 0 | 0 | |||
| Owyhee | 2 | 0 | 2 | 0 | 0 | |||
| Payette | 21 | 2 | 3 | 1 | 0 | |||
| Washington | 11 | 1 | 15 | 0 | 0 | |||
| 2002-2003 | Alcohol | Methamphetamines | Marijuana | Cocaine | Heroin | |||
| Adams | 0 | 0 | 1 | 0 | 0 | |||
| Canyon | 22 | 16 | 48 | 2 | 1 | |||
| Gem | 9 | 1 | 8 | 1 | 0 | |||
| Owyhee | 0 | 0 | 2 | 0 | 0 | |||
| Payette | 12 | 3 | 30 | 1 | 0 | |||
| Washington | 6 | 0 | 10 | 0 | 0 | |||