| Region 5 | |||||
| Adult Primary Drug of Abuse by County | |||||
| Source: IDHW Client Information System | |||||
| 2000-2001 | Alcohol | Methamphetamines | Marijuana | Cocaine | Heroin |
| Blaine | 51 | 8 | 7 | 3 | 2 |
| Camas | 2 | 1 | 0 | 0 | 0 |
| Cassia | 16 | 11 | 9 | 1 | 1 |
| Gooding | 23 | 9 | 4 | 0 | 0 |
| Jerome | 29 | 24 | 10 | 0 | 2 |
| Lincoln | 4 | 0 | 1 | 0 | 0 |
| Minidoka | 19 | 15 | 3 | 0 | 1 |
| Twin Falls | 100 | 73 | 36 | 8 | 5 |