| State | ||||||||
| Adolescent Clients on Parole/Probation | ||||||||
| Source: IDHW Client Information System | ||||||||
| 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2005 | 2006 | 2007 | 2008 | |
| Region 1 | 70 | 77 | 79 | 59 | 99 | 107 | 92 | 151 |
| Region 2 | 58 | 81 | 48 | 71 | 60 | 63 | 57 | 45 |
| Region 3 | 134 | 154 | 164 | 134 | 200 | 178 | 147 | 254 |
| Region 4 | 97 | 147 | 150 | 84 | 53 | 97 | 103 | 209 |
| Region 5 | 134 | 165 | 152 | 120 | 93 | 88 | 97 | 208 |
| Region 6 | 119 | 127 | 160 | 155 | 74 | 102 | 131 | 151 |
| Region 7 | 49 | 60 | 83 | 94 | 43 | 32 | 62 | 103 |
| Total | 661 | 811 | 836 | 717 | 622 | 667 | 689 | 1121 |