Astuce :
| nom commune | pop. | code insee | code siren | code postal |
|---|---|---|---|---|
| Albitreccia | 1780 | 2A008 | 212000087 | 20128 |
| Argiusta-Moriccio | 75 | 2A021 | 212000210 | 20140 |
| Azilone-Ampaza | 203 | 2A026 | 212000269 | 20190 |
| Campo | 103 | 2A056 | 212000566 | 20142 |
| Cardo-Torgia | 29 | 2A064 | 212000640 | 20190 |
| Casalabriva | 229 | 2A071 | 212000715 | 20140 |
| Cauro | 1483 | 2A085 | 212000855 | 20117 |
| Ciamannacce | 130 | 2A089 | 212000897 | 20134 |
| Cognocoli-Monticchi | 174 | 2A091 | 212000913 | 20123 |
| Corrano | 76 | 2A094 | 212000947 | 20168 |
| Coti-Chiavari | 731 | 2A098 | 212000988 | 20138 |
| Cozzano | 281 | 2A099 | 212000996 | 20148 |
| Eccica-Suarella | 1369 | 2A104 | 212001044 | 20117 |
| Forciolo | 90 | 2A117 | 212001176 | 20190 |
| Frasseto | 142 | 2A119 | 212001192 | 20157 |
| Grosseto-Prugna (chef lieu) | 3331 | 2A130 | 212001309 | 20128 |
| Guargualé | 148 | 2A132 | 212001325 | 20128 |
| Guitera-les-Bains | 157 | 2A133 | 212001333 | 20153 |
| Moca-Croce | 234 | 2A160 | 212001606 | 20140 |
| Olivese | 220 | 2A186 | 212001861 | 20140 |
| Palneca | 133 | 2A200 | 212002000 | 20134 |
| Petreto-Bicchisano | 570 | 2A211 | 212002117 | 20140 |
| Pietrosella | 2042 | 2A228 | 212002281 | 20166 |
| Pila-Canale | 274 | 2A232 | 212002323 | 20123 |
| Quasquara | 61 | 2A253 | 212002539 | 20142 |
| Sampolo | 87 | 2A268 | 212002687 | 20134 |
| Santa-Maria-Siché | 371 | 2A312 | 212003123 | 20190 |
| Serra-di-Ferro | 709 | 2A276 | 212002760 | 20140 |
| Sollacaro | 383 | 2A284 | 212002844 | 20140 |
| Tasso | 88 | 2A322 | 212003222 | 20134 |
| Urbalacone | 63 | 2A331 | 212003313 | 20128 |
| Zévaco | 51 | 2A358 | 212003586 | 20173 |
| Zicavo | 208 | 2A359 | 212003594 | 20132 |
| Zigliara | 128 | 2A360 | 212003602 | 20190 |
Le canton de Taravo-Ornano est composé de 34 communes entières pour une population de 16153 habitants.