| City | Population |
| Ainsworth, IA | 567 |
| Andover, IA | 103 |
| Atalissa, IA | 311 |
| Beaverdale, IA | 952 |
| Bellevue, IA | 2,191 |
| Bennett, IA | 405 |
| Bettendorf, IA | 33,217 |
| Blue Grass, IA | 1,452 |
| Buffalo, IA | 1,270 |
| Burlington, IA | 25,663 |
| Calamus, IA | 439 |
| Camanche, IA | 4,448 |
| Cedar County rural, IA | 6,993 |
| Charlotte, IA | 394 |
| Clinton, IA | 26,885 |
| Clinton County rural, IA | 8,331 |
| Columbus City, IA | 391 |
| Columbus Junction, IA | 1,899 |
| Conesville, IA | 432 |
| Coppock, IA | 47 |
| Cotter, IA | 48 |
| Crawfordsville, IA | 264 |
| Danville, IA | 934 |
| Davenport, IA | 99,685 |
| De Witt, IA | 5,322 |
| Delmar, IA | 525 |
| Denmark, IA | 423 |
| Des Moines County rural, IA | 7,930 |
| Dixon, IA | 247 |
| Donahue, IA | 346 |
| Durant, IA | 1,832 |
| Eldridge, IA | 5,651 |
| Fredonia, IA | 244 |
| Fruitland, IA | 977 |
| Goose Lake, IA | 240 |
| Grand Mound, IA | 642 |
| Grandview, IA | 556 |
| Henry County rural, IA | 6,352 |
| Le Claire, IA | 3,765 |
| Letts, IA | 384 |
| Long Grove, IA | 808 |
| Lost Nation, IA | 446 |
| Louisa County rural, IA | 4,789 |
| Low Moor, IA | 288 |
| Lowden, IA | 789 |
| Maquoketa, IA | 6,141 |
| Maysville, IA | 176 |
| McCausland, IA | 291 |
| Mediapolis, IA | 1,560 |
| Middletown, IA | 318 |
| Miles, IA | 445 |
| Morning Sun, IA | 836 |
| Mount Pleasant, IA | 8,668 |
| Mount Union, IA | 107 |
| Muscatine, IA | 22,886 |
| Muscatine County rural, IA | 11,030 |
| New Liberty, IA | 137 |
| New London, IA | 1,897 |
| Nichols, IA | 374 |
| Oakville, IA | 173 |
| Olds, IA | 229 |
| Panorama Park, IA | 129 |
| Park View, IA | 2,389 |
| Preston, IA | 1,012 |
| Princeton, IA | 886 |
| Riverdale, IA | 405 |
| Rochester, IA | 133 |
| Sabula, IA | 576 |
| Scott County rural, IA | 12,741 |
| Spragueville, IA | 81 |
| Springbrook, IA | 144 |
| Stockton, IA | 197 |
| Tipton, IA | 3,221 |
| Toronto, IA | 124 |
| Walcott, IA | 1,629 |
| Wapello, IA | 2,067 |
| Wayland, IA | 966 |
| Welton, IA | 165 |
| West Burlington, IA | 2,968 |
| West Liberty, IA | 3,736 |
| West Point, IA | 966 |
| Wheatland, IA | 764 |
| Wilton, IA | 2,802 |
| Winfield, IA | 1,134 |
| Abingdon, IL | 3,319 |
| Adair, IL | 210 |
| Albany village, IL | 891 |
| Aledo, IL | 3,640 |
| Alexis village, IL | 831 |
| Alpha village, IL | 671 |
| Altona village, IL | 531 |
| Amboy, IL | 2,500 |
| Andalusia village, IL | 1,178 |
| Andover village, IL | 578 |
| Annawan town, IL | 878 |
| Atkinson town, IL | 972 |
| Avon village, IL | 799 |
| Biggsville village, IL | 304 |
| Bishop Hill village, IL | 128 |
| Blandinsville village, IL | 651 |
| Bradford village, IL | 768 |
| Buda village, IL | 538 |
| Bureau County rural, IL | 8,902 |
| Bushnell, IL | 3,117 |
| Cambridge village, IL | 2,160 |
| Carbon Cliff village, IL | 2,134 |
| Carroll County rural, IL | 6,221 |
| Chadwick village, IL | 551 |
| Cleveland village, IL | 188 |
| Coal Valley village, IL | 3,743 |
| Coleta village, IL | 164 |
| Colona, IL | 5,099 |
| Como, IL | 567 |
| Cordova village, IL | 672 |
| Coyne Center, IL | 827 |
| Dallas City, IL | 945 |
| Deer Grove village, IL | 48 |
| Dixon, IL | 15,733 |
| Dover village, IL | 168 |
| East Galesburg village, IL | 812 |
| East Moline, IL | 21,302 |
| Elizabeth village, IL | 761 |
| Ellisville village, IL | 96 |
| Erie village, IL | 1,602 |
| Fairview village, IL | 522 |
| Fulton, IL | 3,481 |
| Galesburg, IL | 32,195 |
| Galva, IL | 2,589 |
| Geneseo, IL | 6,586 |
| Gilson, IL | 190 |
| Gladstone village, IL | 281 |
| Good Hope village, IL | 396 |
| Gulf Port village, IL | 54 |
| Hampton village, IL | 1,863 |
| Hanover village, IL | 844 |
| Harmon village, IL | 120 |
| Henderson County rural, IL | 3,739 |
| Henderson village, IL | 255 |
| Henry County rural, IL | 14,845 |
| Hillsdale village, IL | 523 |
| Hooppole village, IL | 204 |
| Jo Daviess County rural, IL | 9,923 |
| Joy village, IL | 417 |
| Keithsburg, IL | 609 |
| Kewanee, IL | 12,916 |
| Kirkwood village, IL | 714 |
| Knox County rural, IL | 8,405 |
| Knoxville, IL | 2,911 |
| La Fayette village, IL | 223 |
| La Moille village, IL | 726 |
| Lee County rural, IL | 13,158 |
| Little York village, IL | 331 |
| Lomax village, IL | 454 |
| London Mills village, IL | 392 |
| Lyndon village, IL | 648 |
| Malden village, IL | 362 |
| Manlius village, IL | 359 |
| Maquon village, IL | 284 |
| Matherville village, IL | 723 |
| Media village, IL | 107 |
| Mercer County rural, IL | 7,610 |
| Milan village, IL | 5,099 |
| Milledgeville village, IL | 1,032 |
| Mineral village, IL | 237 |
| Moline, IL | 43,483 |
| Monmouth, IL | 9,444 |
| Morrison, IL | 4,188 |
| Mount Carroll, IL | 1,717 |
| Nelson village, IL | 170 |
| Neponset village, IL | 473 |
| New Bedford village, IL | 75 |
| New Boston, IL | 683 |
| North Henderson village, IL | 187 |
| Oak Grove village, IL | 396 |
| Oak Run, IL | 547 |
| Ohio village, IL | 513 |
| Oneida, IL | 700 |
| Oquawka village, IL | 1,371 |
| Orion village, IL | 1,861 |
| Pontoosuc village, IL | 146 |
| Port Byron village, IL | 1,647 |
| Prairie City village, IL | 379 |
| Princeton, IL | 7,660 |
| Prophetstown, IL | 2,080 |
| Rapids City village, IL | 959 |
| Raritan village, IL | 138 |
| Reynolds village, IL | 539 |
| Rio village, IL | 220 |
| Rock Falls, IL | 9,266 |
| Rock Island, IL | 39,018 |
| Rock Island Arsenal, IL | 149 |
| Rock Island County rural, IL | 16,535 |
| Roseville village, IL | 989 |
| Savanna, IL | 3,062 |
| Sciota village, IL | 61 |
| Seaton village, IL | 222 |
| Sheffield village, IL | 926 |
| Sherrard village, IL | 640 |
| Silvis, IL | 7,479 |
| St. Augustine village, IL | 120 |
| Stark County rural, IL | 2,282 |
| Sterling, IL | 15,370 |
| Stronghurst village, IL | 883 |
| Sublette village, IL | 449 |
| Tampico village, IL | 790 |
| Thomson village, IL | 590 |
| Tiskilwa village, IL | 829 |
| Toulon, IL | 1,292 |
| Victoria village, IL | 316 |
| Viola village, IL | 955 |
| Walnut village, IL | 1,416 |
| Warren County rural, IL | 5,398 |
| Wataga village, IL | 843 |
| Whiteside County rural, IL | 19,403 |
| Williamsfield village, IL | 578 |
| Windsor village, IL | 748 |
| Woodhull village, IL | 811 |
| Wyanet village, IL | 991 |
| Wyoming, IL | 1,429 |
| | |
| Total | 799,322 |
