Communes du district
| Commune | NPA | Habitants |
|---|---|---|
| Aesch (BL) | 4147 +2 | 11 137 |
| Allschwil | 4123 | 22 155 |
| Arlesheim | 4144 | 9 314 |
| Biel-Benken | 4105 | 3 485 |
| Binningen | 4102 +2 | 16 053 |
| Birsfelden | 4127 | 10 445 |
| Bottmingen | 4103 +2 | 7 014 |
| Ettingen | 4107 | 5 567 |
| Münchenstein | 4142 +2 | 12 457 |
| Muttenz | 4132 +3 | 18 120 |
| Oberwil (BL) | 4104 | 11 430 |
| Pfeffingen | 4148 +1 | 2 413 |
| Reinach (BL) | 4153 +1 | 20 690 |
| Schönenbuch | 4124 | 1 494 |
| Therwil | 4106 +1 | 10 125 |