25 cities and towns
| Abbreviation | 28 |
| State Population | 770,765 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 1 | Owerri | 545,000 | N/A | N/A | N/A | 18.1 |
| 2 | Okigwe | 115,499 | N/A | N/A | N/A | 18.1 |
| 3 | Nkwerre | 62,973 | N/A | N/A | N/A | 18.1 |
| 4 | Oguta | 21,639 | N/A | N/A | N/A | 18.1 |
| 5 | Orlu | 9,351 | N/A | N/A | N/A | 18.1 |
| 6 | Orodo | 8,527 | N/A | N/A | N/A | 18.1 |
| 7 | Iho | 7,776 | N/A | N/A | N/A | 18.1 |
| 8 | Urualla | 0 | N/A | N/A | N/A | — |
| 9 | Umuneke-Ngor | 0 | N/A | N/A | N/A | — |
| 10 | Umuelemai | 0 | N/A | N/A | N/A | — |
| 11 | Afor-Oru | 0 | N/A | N/A | N/A | — |
| 12 | Okwe | 0 | N/A | N/A | N/A | — |
| 13 | Mgbidi | 0 | N/A | N/A | N/A | — |
| 14 | Itu | 0 | N/A | N/A | N/A | — |
| 15 | Dikenafai | 0 | N/A | N/A | N/A | — |
| 16 | Awo-Idemili | 0 | N/A | N/A | N/A | — |
| 17 | Amaigbo | 0 | N/A | N/A | N/A | — |
| 18 | Umundugba | 0 | N/A | N/A | N/A | — |
| 19 | Umumma | 0 | N/A | N/A | N/A | — |
| 20 | Umuguma | 0 | N/A | N/A | N/A | — |
| 21 | Nwaorieubi | 0 | N/A | N/A | N/A | — |
| 22 | Aboh | 0 | N/A | N/A | N/A | — |
| 23 | Egbema | 0 | N/A | N/A | N/A | — |
| 24 | Isinweke | 0 | N/A | N/A | N/A | — |
| 25 | Nnenasa | 0 | N/A | N/A | N/A | — |