Communes du district
| Commune | NPA | Habitants |
|---|---|---|
| Balm bei Günsberg | 4525 +1 | 230 |
| Bellach | 4512 +1 | 5 556 |
| Bettlach | 2544 | 4 987 |
| Feldbrunnen-St. Niklaus | 4532 | 1 071 |
| Flumenthal | 4534 +1 | 1 052 |
| Grenchen | 2540 | 18 602 |
| Günsberg | 4524 +1 | 1 205 |
| Hubersdorf | 4535 | 719 |
| Kammersrohr | 4535 | 32 |
| Langendorf | 4513 +1 | 3 883 |
| Lommiswil | 4514 +1 | 1 618 |
| Oberdorf (SO) | 4515 +1 | 1 818 |
| Riedholz | 4533 +1 | 2 310 |
| Rüttenen | 4522 +2 | 1 532 |
| Selzach | 2545 +2 | 3 690 |