Illinois is a state in United States.
Illinois has a total number of 102 county/boroughs.
There are 2,905 postal codes available in Illinois.
Click on the County/Borough in the postal code table below to browse the postal codes in Illinois.
Illinois has a total number of 102 county/boroughs.
There are 2,905 postal codes available in Illinois.
Click on the County/Borough in the postal code table below to browse the postal codes in Illinois.
| County/Borough | Latitude | Longitude |
|---|---|---|
| Adams | 39.983255 | -91.218967 |
| Alexander | 37.156309 | -89.322586 |
| Bond | 38.874070 | -89.451717 |
| Boone | 42.350001 | -88.825146 |
| Brown | 39.994310 | -90.690209 |
| Bureau | 41.396811 | -89.423331 |
| Calhoun | 39.105792 | -90.634543 |
| Carroll | 42.071959 | -89.956297 |
| Cass | 39.954758 | -90.203873 |
| Champaign | 40.126157 | -88.200949 |
| Christian | 39.539409 | -89.251908 |
| Clark | 39.360321 | -87.800917 |
| Clay | 38.757874 | -88.524771 |
| Clinton | 38.609165 | -89.458613 |
| Coles | 39.497964 | -88.216207 |
| Cook | 41.848411 | -87.765208 |
| Crawford | 38.995658 | -87.737544 |
| Cumberland | 39.274467 | -88.249256 |
| Dekalb | 41.933536 | -88.776788 |
| Dewitt | 40.159042 | -88.954451 |
| Douglas | 39.756909 | -88.282253 |
| Dupage | 41.869153 | -88.085876 |
| Edgar | 39.685682 | -87.793275 |
| Edwards | 38.398943 | -88.046886 |
| Effingham | 39.086615 | -88.578634 |
| Fayette | 38.932568 | -88.992402 |
| Ford | 40.662997 | -88.250353 |
| Franklin | 37.960709 | -88.924576 |
| Fulton | 40.514157 | -90.207047 |
| Gallatin | 37.759884 | -88.208689 |
| Greene | 39.372525 | -90.375787 |
| Grundy | 41.259930 | -88.339486 |
| Hamilton | 38.069541 | -88.507796 |
| Hancock | 40.427028 | -91.156936 |
| Hardin | 37.508617 | -88.275574 |
| Henderson | 40.779966 | -90.971526 |
| Henry | 41.335893 | -90.222507 |
| Iroquois | 40.759830 | -87.822325 |
| Jackson | 37.766511 | -89.344825 |
| Jasper | 39.001465 | -88.116424 |
| Jefferson | 38.299242 | -88.913628 |
| Jersey | 39.092279 | -90.354526 |
| Jo Daviess | 42.393106 | -90.212326 |
| Johnson | 37.449781 | -88.865492 |
| Kane | 41.932634 | -88.387123 |
| Kankakee | 41.113634 | -87.882710 |
| Kendall | 41.614441 | -88.471990 |
| Knox | 40.928958 | -90.242295 |
| La Salle | 41.322718 | -88.912917 |
| Lake | 42.290312 | -88.007789 |
| Lawrence | 38.725724 | -87.704854 |
| Lee | 41.762384 | -89.287153 |
| Livingston | 40.889139 | -88.581848 |
| Logan | 40.097141 | -89.368857 |
| Macon | 39.859251 | -88.977878 |
| Macoupin | 39.232197 | -89.910314 |
| Madison | 38.815165 | -89.977367 |
| Marion | 38.611666 | -89.015964 |
| Marshall | 41.022289 | -89.268746 |
| Mason | 40.282108 | -89.907903 |
| Massac | 37.213238 | -88.692337 |
| Mcdonough | 40.493096 | -90.670467 |
| McHenry | 42.300488 | -88.331010 |
| Mclean | 40.489565 | -88.888671 |
| Menard | 40.038181 | -89.793973 |
| Mercer | 41.197150 | -90.668543 |
| Monroe | 38.285062 | -90.184515 |
| Montgomery | 39.194254 | -89.459876 |
| Morgan | 39.715652 | -90.252862 |
| Moultrie | 39.628553 | -88.660191 |
| Ogle | 42.038363 | -89.273935 |
| Peoria | 40.739196 | -89.645146 |
| Perry | 38.052218 | -89.361724 |
| Piatt | 39.971912 | -88.618331 |
| Pike | 39.623391 | -90.884391 |
| Pope | 37.367242 | -88.553325 |
| Pulaski | 37.201653 | -89.105047 |
| Putnam | 41.203688 | -89.284207 |
| Randolph | 38.065163 | -89.788854 |
| Richland | 38.693809 | -88.055285 |
| Rock Island | 41.490874 | -90.488580 |
| Saint Clair | 38.541703 | -90.007517 |
| Saline | 37.774502 | -88.552997 |
| Sangamon | 39.829937 | -89.610324 |
| Schuyler | 40.176757 | -90.583757 |
| Scott | 39.634800 | -90.451809 |
| Shelby | 39.341266 | -88.796469 |
| Stark | 41.110437 | -89.768225 |
| Stephenson | 42.368379 | -89.660944 |
| Tazewell | 40.563963 | -89.506452 |
| Union | 37.442756 | -89.263208 |
| Vermilion | 40.162820 | -87.730259 |
| Wabash | 38.413415 | -87.852767 |
| Warren | 40.854145 | -90.663973 |
| Washington | 38.344790 | -89.380454 |
| Wayne | 38.404362 | -88.454004 |
| White | 38.102690 | -88.179076 |
| Whiteside | 41.732122 | -89.931651 |
| Will | 41.491571 | -88.026653 |
| Williamson | 37.765070 | -88.973510 |
| Winnebago | 42.310496 | -89.081431 |
| Woodford | 40.788816 | -89.210171 |