2010 Arrest Rates (200+ Arrests)
Counties
| Rank | County | DUI Arrests | Sworn Officers | DUI Arrest Rate (per officer) |
|---|---|---|---|---|
| 1 | DeKalb | 327 | 40 | 8.18 |
| 2 | St. Clair | 253 | 74 | 3.42 |
| 3 | Lake | 393 | 175 | 2.25 |
| 4 | Winnebago | 237 | 128 | 1.85 |
| 5 | Will | 267 | 242 | 1.10 |
| 6 | Cook Cty | 515 | 481 | 1.07 |
Municipalities
| Rank | Municipality | DUI Arrests | Sworn Officers | DUI Arrest Rate (per officer) |
|---|---|---|---|---|
| 1 | Fox Lake | 213 | 23 | 9.26 |
| 2 | East Peoria | 291 | 43 | 6.77 |
| 3 | Carol Stream | 361 | 62 | 5.82 |
| 4 | Alton | 294 | 60 | 4.90 |
| 5 | Edwardsville | 205 | 42 | 4.88 |
| 6 | Elmhurst | 318 | 66 | 4.82 |
| 7 | Mundelein | 226 | 50 | 4.52 |
| 8 | Niles | 232 | 53 | 4.38 |
| 9 | Rock Island | 337 | 83 | 4.06 |
| 10 | Naperville | 671 | 167 | 4.02 |
| 11 | Gurnee | 239 | 61 | 3.92 |
| 12 | Pekin | 217 | 56 | 3.88 |
| 13 | Bartlett | 209 | 55 | 3.80 |
| 14 | Chicago Heights | 288 | 80 | 3.60 |
| 15 | Normal | 263 | 78 | 3.37 |
| 16 | Addison | 219 | 67 | 3.27 |
| 17 | Buffalo Grove | 222 | 69 | 3.22 |
| 18 | Decatur | 496 | 155 | 3.20 |
| 19 | Lombard | 208 | 69 | 3.01 |
| 20 | Waukegan | 390 | 148 | 2.64 |
| 21 | Rockford | 727 | 281 | 2.59 |
| 22 | Moline | 211 | 83 | 2.54 |
| 23 | Orland Park | 231 | 94 | 2.46 |
| 24 | Skokie | 248 | 105 | 2.36 |
| 25 | Palatine | 256 | 111 | 2.31 |
| 26 | Elgin | 410 | 180 | 2.28 |
| 27 | Schaumburg | 253 | 115 | 2.20 |
| 28 | Springfield | 472 | 249 | 1.90 |
| 29 | Arlington Heights | 205 | 109 | 1.88 |
| 30 | Evanston | 218 | 157 | 1.39 |
| 31 | Aurora | 296 | 288 | 1.03 |
| 32 | Peoria | 210 | 214 | 0.98 |
