| Name | Status | Population census 1991-10-20 | Population census 2001-10-21 | Population census 2011-10-09 | |
|---|---|---|---|---|---|
| Chieti | Province | 381,830 | 382,076 | 387,956 | o |
| Abruzzo | Region | 1,249,054 | 1,262,392 | 1,307,309 |
| Name | Status | Population census 1991-10-20 | Population census 2001-10-21 | Population census 2011-10-09 | |
|---|---|---|---|---|---|
| Altino | Commune | 2,492 | 2,536 | 2,833 | o |
| Archi | Commune | 2,392 | 2,336 | 2,282 | o |
| Ari | Commune | 1,413 | 1,328 | 1,165 | o |
| Arielli | Commune | 1,265 | 1,250 | 1,144 | o |
| Atessa | Commune | 10,215 | 10,388 | 10,761 | o |
| Bomba | Commune | 1,097 | 972 | 885 | o |
| Borrello | Commune | 520 | 444 | 368 | o |
| Bucchianico | Commune | 4,805 | 4,941 | 5,221 | o |
| Canosa Sannita | Commune | 1,586 | 1,510 | 1,441 | o |
| Carpineto Sinello | Commune | 818 | 746 | 666 | o |
| Carunchio | Commune | 876 | 781 | 639 | o |
| Casacanditella | Commune | 1,415 | 1,397 | 1,340 | o |
| Casalanguida | Commune | 1,197 | 1,096 | 1,006 | o |
| Casalbordino | Commune | 6,477 | 6,478 | 6,303 | o |
| Casalincontrada | Commune | 2,726 | 2,942 | 3,153 | o |
| Casoli | Commune | 6,116 | 5,971 | 5,847 | o |
| Castel Frentano | Commune | 3,917 | 3,913 | 4,311 | o |
| Castelguidone | Commune | 551 | 482 | 416 | o |
| Castiglione Messer Marino | Commune | 2,600 | 2,225 | 1,898 | o |
| Celenza sul Trigno | Commune | 1,246 | 1,098 | 974 | o |
| Chieti | Commune | 55,876 | 52,486 | 51,484 | o |
| Civitaluparella | Commune | 472 | 429 | 349 | o |
| Civitella Messer Raimondo | Commune | 1,111 | 972 | 861 | o |
| Colledimacine | Commune | 370 | 286 | 237 | o |
| Colledimezzo | Commune | 628 | 592 | 531 | o |
| Crecchio | Commune | 3,184 | 3,052 | 2,932 | o |
| Cupello | Commune | 4,169 | 4,415 | 4,848 | o |
| Dogliola | Commune | 451 | 415 | 389 | o |
| Fallo | Commune | 217 | 162 | 146 | o |
| Fara Filiorum Petri | Commune | 1,884 | 1,952 | 1,955 | o |
| Fara San Martino | Commune | 1,758 | 1,626 | 1,524 | o |
| Filetto | Commune | 1,224 | 1,119 | 1,026 | o |
| Fossacesia | Commune | 4,843 | 5,349 | 6,217 | o |
| Fraine | Commune | 527 | 463 | 396 | o |
| Francavilla al Mare | Commune | 21,675 | 22,883 | 23,816 | o |
| Fresagrandinaria | Commune | 1,350 | 1,088 | 1,056 | o |
| Frisa | Commune | 2,041 | 1,940 | 1,889 | o |
| Furci | Commune | 1,410 | 1,275 | 1,088 | o |
| Gamberale | Commune | 486 | 394 | 328 | o |
| Gessopalena | Commune | 1,915 | 1,694 | 1,550 | o |
| Gissi | Commune | 3,314 | 3,088 | 2,935 | o |
| Giuliano Teatino | Commune | 1,367 | 1,306 | 1,270 | o |
| Guardiagrele | Commune | 10,120 | 9,527 | 9,367 | o |
| Guilmi | Commune | 660 | 520 | 432 | o |
| Lama dei Peligni | Commune | 1,515 | 1,486 | 1,364 | o |
| Lanciano | Commune | 34,006 | 35,798 | 35,921 | o |
| Lentella | Commune | 773 | 768 | 725 | o |
| Lettopalena | Commune | 449 | 409 | 365 | o |
| Liscia | Commune | 887 | 813 | 712 | o |
| Miglianico | Commune | 4,356 | 4,503 | 4,844 | o |
| Montazzoli | Commune | 1,233 | 1,116 | 1,032 | o |
| Montebello sul Sangro | Commune | 169 | 125 | 99 | o |
| Monteferrante | Commune | 216 | 190 | 141 | o |
| Montelapiano | Commune | 164 | 107 | 80 | o |
| Montenerodomo | Commune | 1,020 | 936 | 736 | o |
| Monteodorisio | Commune | 2,259 | 2,402 | 2,564 | o |
| Mozzagrogna | Commune | 1,975 | 2,060 | 2,291 | o |
| Orsogna | Commune | 4,111 | 4,050 | 4,008 | o |
| Ortona | Commune | 22,601 | 22,694 | 23,425 | o |
| Paglieta | Commune | 4,394 | 4,401 | 4,466 | o |
| Palena | Commune | 1,567 | 1,478 | 1,412 | o |
| Palmoli | Commune | 1,292 | 1,162 | 980 | o |
| Palombaro | Commune | 1,233 | 1,177 | 1,108 | o |
| Pennadomo | Commune | 415 | 358 | 311 | o |
| Pennapiedimonte | Commune | 669 | 556 | 515 | o |
| Perano | Commune | 1,679 | 1,656 | 1,664 | o |
| Pietraferrazzana | Commune | 164 | 152 | 128 | o |
| Pizzoferrato | Commune | 1,307 | 1,189 | 1,127 | o |
| Poggiofiorito | Commune | 1,028 | 951 | 943 | o |
| Pollutri | Commune | 2,473 | 2,345 | 2,306 | o |
| Pretoro | Commune | 1,113 | 1,107 | 989 | o |
| Quadri | Commune | 1,040 | 943 | 863 | o |
| Rapino | Commune | 1,569 | 1,433 | 1,356 | o |
| Ripa Teatina | Commune | 3,587 | 3,834 | 4,188 | o |
| Roccamontepiano | Commune | 1,986 | 1,965 | 1,792 | o |
| Rocca San Giovanni | Commune | 2,364 | 2,352 | 2,348 | o |
| Roccascalegna | Commune | 1,557 | 1,423 | 1,285 | o |
| Roccaspinalveti | Commune | 1,916 | 1,671 | 1,434 | o |
| Roio del Sangro | Commune | 245 | 159 | 103 | o |
| Rosello | Commune | 431 | 342 | 253 | o |
| San Buono | Commune | 1,333 | 1,202 | 1,020 | o |
| San Giovanni Lipioni | Commune | 422 | 287 | 210 | o |
| San Giovanni Teatino | Commune | 8,449 | 10,048 | 12,733 | o |
| San Martino sulla Marrucina | Commune | 920 | 981 | 960 | o |
| San Salvo | Commune | 15,527 | 17,254 | 18,848 | o |
| Santa Maria Imbaro | Commune | 1,495 | 1,735 | 1,830 | o |
| Sant'Eusanio del Sangro | Commune | 2,543 | 2,451 | 2,453 | o |
| San Vito Chietino | Commune | 5,046 | 4,901 | 5,226 | o |
| Scerni | Commune | 3,848 | 3,704 | 3,399 | o |
| Schiavi di Abruzzo | Commune | 1,965 | 1,403 | 931 | o |
| Taranta Peligna | Commune | 632 | 521 | 399 | o |
| Tollo | Commune | 4,130 | 4,171 | 4,071 | o |
| Torino di Sangro | Commune | 3,109 | 3,079 | 3,041 | o |
| Tornareccio | Commune | 2,052 | 1,948 | 1,932 | o |
| Torrebruna | Commune | 1,387 | 1,173 | 924 | o |
| Torrevecchia Teatina | Commune | 3,170 | 3,746 | 4,092 | o |
| Torricella Peligna | Commune | 1,833 | 1,587 | 1,391 | o |
| Treglio | Commune | 1,133 | 1,236 | 1,575 | o |
| Tufillo | Commune | 641 | 564 | 468 | o |
| Vacri | Commune | 1,703 | 1,756 | 1,702 | o |
| Vasto | Commune | 32,880 | 35,362 | 38,747 | o |
| Villalfonsina | Commune | 1,126 | 1,062 | 977 | o |
| Villamagna | Commune | 2,415 | 2,448 | 2,437 | o |
| Villa Santa Maria | Commune | 1,532 | 1,479 | 1,433 | o |
Source: Istituto Nazionale di Statistica Italia (web).
2013-01-15WWW.CITYPOPULATION.DE