Communes du district
| Commune | NPA | Habitants |
|---|---|---|
| Bättwil | 4112 +1 | 1 192 |
| Büren (SO) | 4413 | 1 077 |
| Dornach | 4143 | 6 901 |
| Gempen | 4145 | 934 |
| Hochwald | 4146 | 1 282 |
| Hofstetten-Flüh | 4114 +2 | 3 402 |
| Metzerlen-Mariastein | 4116 +1 | 988 |
| Nuglar-St. Pantaleon | 4412 +1 | 1 553 |
| Rodersdorf | 4118 | 1 408 |
| Seewen | 4206 +1 | 1 088 |
| Witterswil | 4108 +1 | 1 500 |