| Region 4 | ||||||||
| Adult Clients on Parole/Probation | ||||||||
| Source: IDHW Client Information System | ||||||||
| 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2005 | 2006 | 2007 | 2008 | |
| Ada | 312 | 388 | 388 | 307 | ||||
| Boise | 8 | 8 | 5 | 5 | ||||
| Elmore | 48 | 69 | 92 | 71 | ||||
| Valley | 41 | 29 | 35 | 44 | ||||
| Total | 312 | 388 | 388 | 307 | 275 | 644 | 1047 | 862 |