| Agency | Term # | 2006 Total | 2007 Total | % Change | Library | |
| Undef. | 0 | 2412 | 3111 | 28.98% | Undefined | |
| ADS | 10 | 151437 | 141826 | -6.35% | ADS Acorn | |
| ADS | 106 | 7548 | 7384 | -2.17% | ADS self-checkout | |
| AMS | 11 | 179301 | 158286 | -11.72% | AMS Alsip | |
| AMS | 116 | 5932 | 25745 | 334.00% | AMS self-checkout | |
| BCS | 12 | 30677 | 32211 | 5.00% | BCS Beecher | |
| BFS | 95 | 26029 | 170130 | 553.62% | BFS Brookfield | |
| BIS | 13 | 119302 | 130885 | 9.71% | BIS Blue Island | |
| BKS | 14 | 28726 | 26754 | -6.86% | BKS Berkeley | |
| BPS | 15 | 24629 | 27476 | 11.56% | BPS Bedford Pk | |
| BRS | 16 | 96712 | 100218 | 3.63% | BRS Broadview | |
| BWS | 17 | 80776 | 79305 | -1.82% | BWS Bellwood | |
| BYS | 18 | 284453 | 274997 | -3.32% | BYS Berwyn | |
| BZS | 93 | 2329 | 2980 | 27.95% | BZS Brookfield Zoo | |
| CAS | 19 | 7258 | 7111 | -2.03% | CAS Calumet Park | |
| CCS | 20 | 134979 | 137151 | 1.61% | CCS Calumet City | |
| CHS | 21 | 71234 | 68744 | -3.50% | CHS Chicago Heights | |
| CIS | 22 | 191660 | 184883 | -3.54% | CIS Cicero | |
| CNS | 23 | 56471 | 57595 | 1.99% | CNS Clarendon Hills | |
| CRS | 24 | 119075 | 113146 | -4.98% | CRS Chicago Ridge | |
| CTS | 25 | 119139 | 130464 | 9.51% | CTS Crete | |
| CWS | 26 | 48873 | 48129 | -1.52% | CWS Crestwood | |
| CZS | 27 | 12053 | 9177 | -23.86% | CZS Cicero Branch | |
| DGS | 28 | 897821 | 893137 | -0.52% | DGS Downers Grove | |
| DOS | 29 | 59449 | 57173 | -3.83% | DOS Dolton | |
| EHS | 30 | 1000168 | 1033784 | 3.36% | EHS Elmhurst | |
| EHS | 306 | 120750 | 146439 | 21.27% | EHS self-checkout | |
| EPS | 31 | 150511 | 148798 | -1.14% | EPS Elmwood Park | |
| EPS | 316 | 142 | 1686 | 1087.32% | EPS self-checkout | |
| ESS | 32 | 165861 | 161349 | -2.72% | ESS Eisenhower | |
| EVS | 33 | 120404 | 106987 | -11.14% | EVS Evergreen Park | |
| EVS | 336 | 20 | 39 | 95.00% | EVS self-checkout | |
| FBS | 34 | 55239 | 50619 | -8.36% | FBS Frankfort (Bkmobile) | |
| FMS | 35 | 129941 | 127891 | -1.58% | FMS Flossmoor | |
| FMS | 356 | 41770 | 48797 | 16.82% | FMS self-checkout | |
| FPS | 36 | 81047 | 112119 | 38.34% | FPS Forest Park | |
| FRS | 37 | 111805 | 105634 | -5.52% | FRS Frankfort | |
| FRS | 376 | 119577 | 148369 | 24.08% | FRS self-checkout | |
| GAS | 94 | 5854 | 6956 | 18.82% | GWS Glenwd-Lynwd bkmob | |
| GPS | 38 | 131450 | 123185 | -6.29% | GPS Grande Prairie | |
| GWS | 39 | 58555 | 58167 | -0.66% | GWS Glenwood-Lynwood | |
| HAS | 40 | 50563 | 41557 | -17.81% | HAS Harvey | |
| HDS | 41 | 225728 | 213277 | -5.52% | HDS Hinsdale | |
| HKS | 42 | 47078 | 45306 | -3.76% | HKS Hodgkins | |
| HSS | 43 | 90167 | 85537 | -5.13% | HSS Hillside | |
| HWS | 44 | 288680 | 282181 | -2.25% | HWS Homewood | |
| HWS | 446 | 11545 | 10865 | -5.89% | HWS self-check | |
| INS | 45 | 604905 | 531196 | -12.19% | INS Indian Prairie | |
| INS | 456 | 66454 | 144877 | 118.01% | INS self-chekout | |
| JDS | 46 | 29383 | 32069 | 9.14% | JDS Justice | |
| LGS | 47 | 142559 | 151432 | 6.22% | LGS La Grange | |
| LGS | 476 | 71 | 3667 | 5064.79% | LGS self-checkout | |
| LPS | 48 | 158252 | 165439 | 4.54% | LPS La Grange Park | |
| LPS | 486 | 687 | 116 | -83.11% | LPS self-checkout | |
| LYS | 49 | 47895 | 48013 | 0.25% | LYS Lyons | |
| MAS | 91 | 4795 | 3979 | -17.02% | MAS Morton Arboretum | |
| MCS | 50 | 19191 | 19009 | -0.95% | MCS McCook | |
| MDS | 51 | 99043 | 93882 | -5.21% | MDS Midlothian | |
| MKS | 52 | 3093 | 4013 | 29.74% | MKS Anderson/Oglsby | |
| MLS | 53 | 4930 | 4191 | -14.99% | MLS Morton College | |
| MPS | 54 | 74954 | 79852 | 6.53% | MPS Melrose Park | |
| MTS | 55 | 138074 | 133137 | -3.58% | MTS Matteson | |
| MTS | 556 | 2262 | 11067 | 389.26% | MTS self-checkout | |
| MWS | 56 | 45763 | 42194 | -7.80% | MWS Maywood | |
| NLS | 57 | 91685 | 111156 | 21.24% | NLS Northlake | |
| NRS | 58 | 71361 | 65704 | -7.93% | NRS North Riverside | |
| OBS | 59 | 5977 | 2437 | -59.23% | OBS Orland Pk (Bkmobile) | |
| OLS | 60 | 519490 | 505136 | -2.76% | OLS Oak Lawn | |
| ORS | 61 | 457756 | 464576 | 1.49% | ORS Orland Park | |
| ORS | 616 | 79892 | 75684 | -5.27% | ORS self-checkout | |
| PCS | 62 | 7828 | 7827 | -0.01% | PCS Prairie State College | |
| PFS | 63 | 184153 | 192995 | 4.80% | PFS Park Forest | |
| PHS | 64 | 150912 | 154321 | 2.26% | PHS Palos Heights | |
| PHS | 646 | 6494 | 6137 | -5.50% | PHS self-checkout | |
| PPS | 65 | 35164 | 38325 | 8.99% | PPS Palos Park | |
| PSS | 66 | 17105 | 14592 | -14.69% | PSS University Park | |
| PTS | 67 | 116075 | 127527 | 9.87% | PTS Prairie Trails | |
| PTS | 676 | 2680 | 1004 | -62.54% | PTS self-checkout | |
| RDS | 68 | 29517 | 33946 | 15.00% | RDS Riverdale | |
| RFS | 69 | 144760 | 141312 | -2.38% | RFS River Forest | |
| RFS | 696 | 1101 | 4884 | 343.60% | RFS self-checkout | |
| RGS | 70 | 25106 | 27132 | 8.07% | RGS River Grove | |
| ROS | 71 | 1387 | 1160 | -16.37% | ROS William Leonard | |
| RPS | 72 | 73627 | 73503 | -0.17% | RPS Richton Park | |
| RSS | 73 | 135388 | 132940 | -1.81% | RSS Riverside | |
| RVS | 74 | 14951 | 5610 | -62.48% | RVS Reavis High School | |
| SAS | 75 | 24206 | 21886 | -9.58% | SAS Summit | |
| SFS | 76 | 49971 | 37881 | -24.19% | SFS Stickney-Forest View | |
| SHS | 77 | 127683 | 130823 | 2.46% | SHS South Holland | |
| SPS | 78 | 76595 | 71603 | -6.52% | SPS Schiller Park | |
| STS | 79 | 44679 | 41409 | -7.32% | STS Steger-S Chicago Heights | |
| SVS | 80 | 25537 | 26603 | 4.17% | SVS Nanacy McConathy | |
| TBS | 90 | 29660 | 28871 | -2.66% | TBS Tinley Park (Bkmobile) | |
| TFS | 81 | 153439 | 151683 | -1.14% | TFS Thomas Ford | |
| TPS | 82 | 429489 | 454800 | 5.89% | TPS Tinley Park | |
| TPS | 826 | 18775 | 22350 | 19.04% | TPS self-checkout | |
| TTS | 83 | 7067 | 6015 | -14.89% | TTS South Suburban College | |
| WCS | 84 | 129984 | 131857 | 1.44% | WCS Westchester | |
| WMS | 85 | 138516 | 153317 | 10.69% | WMS Westmont | |
| WOS | 86 | 67999 | 64634 | -4.95% | WOS Worth | |
| WRS | 87 | 493396 | 503911 | 2.13% | WRS Woodridge | |
| SLS | 89 | 6225 | 6977 | 12.08% | SLS (Metropolitan Library Sys) | |
| SLS | 896 | 871 | 1513 | 73.71% | SLS self-checkout | |
| TOTAL | 11,203,942 | 11,459,734 | 2.28% | SWAN |