| Region 4 | ||||||||||||||||
| Adult Drug and Alcohol-Related Arrests, Trend Data | ||||||||||||||||
| 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Alcohol-Related Arrests* | 2652 | 2753 | 2443 | 2558 | 3228 | 2642 | 2834 | 2828 | 2795 | 2787 | 2823 | 2925 | 3666 | 3514 | 3731 | 4030 |
| DUI Arrests | 2248 | 2198 | 2025 | 2156 | 2638 | 2160 | 2274 | 2234 | 2154 | 2112 | 2171 | 2313 | 2715 | 2873 | 3017 | 2968 |
| Drug-Related Arrests | 596 | 981 | 1894 | 2290 | 1774 | 1847 | 1600 | 1744 | 1846 | 1696 | 1645 | 1678 | 1480 | 1686 | 1750 | 1791 |
| * Alcohol-Related Arrests are calculated by compiling the number of arrests for DUI, Drunkeness, and Liquor Law Violations. | ||||||||||||||||
| *Drug-Related Arrests for 2003/04 calculated by combining the number of Drugs/Narcotics and Drug Equipment Violations. | ||||||||||||||||
| Alcohol-Related Arrests | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Ada | 2297 | 2455 | 2142 | 2214 | 2807 | 2219 | 2437 | 2491 | 2431 | 2365 | 2479 | 2616 | 3192 | 3128 | 3493 | 3664 |
| Boise | 16 | 16 | 8 | 8 | 6 | 47 | 53 | 63 | 59 | 80 | 72 | 50 | 113 | 68 | 12 | 84 |
| Elmore | 144 | 140 | 129 | 94 | 153 | 152 | 181 | 114 | 144 | 159 | 135 | 135 | 187 | 130 | 78 | 120 |
| Valley | 195 | 142 | 164 | 242 | 262 | 224 | 163 | 160 | 161 | 183 | 137 | 124 | 174 | 188 | 148 | 162 |
| Region 4 Total | 2652 | 2753 | 2443 | 2558 | 3228 | 2642 | 2834 | 2828 | 2795 | 2787 | 2823 | 2925 | 3666 | 3514 | 3731 | 4030 |
| DUI Arrests | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Ada | 1996 | 1988 | 1835 | 1890 | 2349 | 1820 | 1989 | 2037 | 1930 | 1852 | 1959 | 2104 | 2468 | 2596 | 2822 | 2735 |
| Boise | 16 | 14 | 7 | 7 | 6 | 47 | 36 | 36 | 31 | 45 | 39 | 32 | 34 | 31 | 5 | 23 |
| Elmore | 108 | 103 | 99 | 77 | 126 | 124 | 143 | 74 | 86 | 77 | 83 | 83 | 112 | 95 | 58 | 95 |
| Valley | 128 | 93 | 84 | 182 | 157 | 169 | 106 | 87 | 107 | 138 | 90 | 94 | 101 | 151 | 132 | 115 |
| Region 4 Total | 2248 | 2198 | 2025 | 2156 | 2638 | 2160 | 2274 | 2234 | 2154 | 2112 | 2171 | 2313 | 2715 | 2873 | 3017 | 2968 |
| Drugs/Narcotics | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Ada | 465 | 581 | 1061 | 1385 | 1047 | 1148 | 996 | 1062 | 1091 | 1005 | 977 | 982 | 1156 | 952 | 1041 | 1034 |
| Boise | 0 | 2 | 1 | 4 | 0 | 36 | 20 | 17 | 20 | 19 | 25 | 6 | 30 | 7 | 0 | 34 |
| Elmore | 13 | 12 | 19 | 31 | 74 | 42 | 47 | 46 | 45 | 43 | 64 | 64 | 57 | 54 | 27 | 29 |
| Valley | 16 | 21 | 26 | 32 | 71 | 57 | 37 | 41 | 61 | 52 | 38 | 27 | 48 | 28 | 31 | 40 |
| Region 4 Total | 494 | 616 | 1107 | 1452 | 1192 | 1283 | 1100 | 1166 | 1217 | 1119 | 1104 | 1079 | 1291 | 1041 | 1099 | 1137 |
| Drug Equipment | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Ada | 90 | 348 | 777 | 804 | 537 | 520 | 460 | 546 | 582 | 511 | 494 | 560 | 134 | 587 | 612 | 607 |
| Boise | 0 | 0 | 0 | 2 | 0 | 13 | 3 | 8 | 12 | 7 | 10 | 5 | 10 | 6 | 2 | 14 |
| Elmore | 4 | 12 | 4 | 11 | 29 | 7 | 14 | 14 | 16 | 23 | 18 | 18 | 21 | 21 | 10 | 11 |
| Valley | 8 | 5 | 6 | 21 | 16 | 24 | 23 | 10 | 19 | 36 | 19 | 16 | 24 | 31 | 27 | 22 |
| Region 4 Total | 596 | 981 | 1894 | 2290 | 1774 | 1847 | 1600 | 1744 | 1846 | 1696 | 1645 | 599 | 189 | 645 | 651 | 654 |