| Region 5 | ||||||
| Adult Primary Drug of Abuse by County | ||||||
| Source: IDHW Client Information System | ||||||
| 2001-2002 | Alcohol | Methamphetamines | Marijuana | Cocaine | Heroin | |
| Blaine | 50 | 7 | 4 | 1 | 0 | |
| Camas | 2 | 0 | 1 | 0 | 0 | |
| Cassia | 42 | 18 | 20 | 1 | 1 | |
| Gooding | 26 | 10 | 7 | 1 | 1 | |
| Jerome | 30 | 30 | 13 | 2 | 1 | |
| Lincoln | 7 | 0 | 0 | 0 | 0 | |
| Minidoka | 40 | 36 | 5 | 0 | 0 | |
| Twin Falls | 132 | 103 | 39 | 3 | 0 | |