| Place | 1900 | 1920 | 1940 | 1960 | 1980 | 1990 | 2000 |
| Clay County | 15,886 | 27,276 | 28,386 | 21,258 | 20,616 | 18,107 | 17,609 |
| Corning | 1,041 | 1,564 | 1,619 | 2,192 | 3,650 | 3,323 | 3,679 |
| Datto | -- | 242 | 198 | 167 | 112 | 120 | 97 |
| Greenway | 165 | 362 | 303 | 179 | 317 | 212 | 244 |
| Knobel | 410 | 390 | 375 | 339 | 503 | 317 | 358 |
| McDougal | -- | -- | -- | 200 | 239 | 208 | 195 |
| Nimmons | -- | 297 | 217 | 154 | 112 | 96 | 100 |
| Peach Orchard | -- | 484 | 374 | 348 | 243 | 197 | 195 |
| Piggott | 597 | 2,016 | 2,034 | 2,776 | 3,762 | 3,777 | 3,894 |
| Pollard | -- | -- | 169 | 170 | 298 | 229 | 240 |
| Rector | 520 | 1,801 | 1,736 | 1,757 | 2,336 | 2,268 | 2,017 |
| St. Francis | 420 | 501 | 266 | 224 | 266 | 201 | 250 |
| Success | -- | 436 | 281 | 226 | 223 | 170 | 180 |
| Craighead County | 19,505 | 37,541 | 47,200 | 47,303 | 63,239 | 68,956 | 82,148 |
| Bay | -- | -- | 357 | 627 | 1,605 | 1,660 | 1,800 |
| Black Oak | -- | -- | 329 | 220 | 309 | 277 | 286 |
| Bono | -- | -- | 248 | 339 | 967 | 1,220 | 1,512 |
| Brookland | -- | 326 | 276 | 301 | 840 | 919 | 1,332 |
| Caraway | -- | -- | 477 | 821 | 1,165 | 1,178 | 1,349 |
| Cash | -- | -- | 186 | 141 | 285 | 214 | 294 |
| Egypt | -- | -- | -- | -- | -- | 123 | 101 |
| Jonesboro | 4,508 | 9,384 | 11,729 | 21,418 | 31,530 | 46,535 | 55,515 |
| Lake City | 434 | 635 | 786 | 850 | 1,842 | 1,833 | 1,956 |
| Monette | -- | 1,066 | 1,074 | 981 | 1,165 | 1,115 | 1,179 |
| Greene County | 16,979 | 26,105 | 30,204 | 25,198 | 30,744 | 31,804 | 37,331 |
| Delaplaine | -- | 152 | 180 | 186 | 161 | 146 | 127 |
| Lafe | -- | -- | -- | -- | 215 | 315 | 385 |
| Marmaduke | -- | 861 | 677 | 657 | 1,168 | 1,164 | 1,158 |
| Oak Grove Heights | -- | -- | -- | -- | 486 | 513 | 727 |
| Paragould | 3,324 | 6,306 | 7,079 | 9,947 | 15,248 | 18,540 | 22,017 |
| Walcott | -- | 85 | 122 | -- | -- | -- | -- |
| Lawrence County | 16,491 | 22,098 | 22,651 | 17,267 | 18,447 | 17,457 | 17,774 |
| Alicia | 150 | 297 | 333 | 294 | 246 | 157 | 145 |
| Black Rock | 1,400 | 835 | 769 | 554 | 848 | 736 | 717 |
| College City | -- | -- | -- | 358 | 432 | 339 | 269 |
| Hoxie | 125 | 1,711 | 1,466 | 1,886 | 2,961 | 2,676 | 2,817 |
| Imboden | 411 | 630 | 525 | 400 | 661 | 616 | 684 |
| Lynn | -- | -- | -- | -- | 345 | 299 | 315 |
| Minturn | -- | 278 | 133 | 61 | 169 | 124 | 114 |
| Portia | 400 | 519 | 393 | 333 | 480 | 521 | 483 |
| Powhatan | 249 | 134 | 137 | 136 | 49 | 51 | 50 |
| Ravenden | -- | -- | 240 | 231 | 338 | 330 | 511 |
| Sedgwick | 309 | 195 | 152 | 206 | 205 | 86 | 112 |
| Smithville | -- | -- | -- | -- | 113 | 86 | 73 |
| Strawberry | -- | -- | -- | -- | 280 | 273 | 283 |
| Walnut Ridge | 845 | 2,226 | 2,013 | 3,547 | 4,152 | 4,388 | 4,925 |
| Mississippi County | 16,384 | 47,320 | 80,217 | 70,174 | 59,517 | 57,525 | 51,979 |
| Bassett | -- | -- | -- | -- | 243 | 199 | 168 |
| Birdsong | -- | -- | -- | -- | -- | 104 | 40 |
| Blytheville | 302 | 6,447 | 10,652 | 20,797 | 23,844 | 22,906 | 18,272 |
| Burdette | -- | 100 | 110 | 115 | 328 | 148 | 129 |
| Dell | -- | 233 | 323 | 383 | 310 | 258 | 251 |
| Dyess | -- | -- | -- | -- | 446 | 466 | 515 |
| Etowah | -- | -- | -- | -- | -- | -- | 366 |
| Gosnell | -- | -- | -- | -- | 3,215 | 3,783 | 3,968 |
| Joiner | -- | -- | 388 | 748 | 725 | 645 | 540 |
| Keiser | -- | 231 | 452 | 516 | 962 | 805 | 808 |
| Leachville | -- | -- | 1,076 | 1,507 | 1,882 | 1,743 | 1,981 |
| Luxora | 943 | 1,179 | 1,258 | 1,236 | 1,739 | 1,338 | 1,317 |
| Manila | -- | 971 | 1,248 | 1,753 | 2,553 | 2,635 | 3,055 |
| Marie | -- | -- | -- | -- | 287 | 129 | 108 |
| Osceola | 953 | 1,755 | 3,226 | 6,189 | 8,881 | 8,930 | 8,875 |
| Victoria | -- | -- | -- | -- | 175 | 110 | 59 |
| Wilson | -- | -- | -- | 1,191 | 1,115 | 1,068 | 939 |
| Randolph County | 17,156 | 17,713 | 18,319 | 12,520 | 16,834 | 16,558 | 18,195 |
| Biggers | -- | 447 | 456 | 274 | 363 | 337 | 355 |
| Maynard | 358 | 210 | 266 | 201 | 381 | 354 | 381 |
| O'Kean | -- | 205 | 138 | 137 | 291 | 250 | 201 |
| Pocahontas | 967 | 1,806 | 3,028 | 3,665 | 5,995 | 6,151 | 6,518 |
| Ravenden Springs | -- | 191 | 200 | 126 | 230 | 131 | 137 |
| Reyno | 138 | 392 | 346 | 348 | 521 | 467 | 484 |