Communes du district
| Commune | NPA | Habitants |
|---|---|---|
| Aarburg | 4663 +2 | 8 917 |
| Bottenwil | 4814 +1 | 863 |
| Brittnau | 4805 +2 | 4 339 |
| Kirchleerau | 5054 | 938 |
| Kölliken | 5742 +1 | 5 106 |
| Moosleerau | 5054 | 955 |
| Murgenthal | 4853 +3 | 3 128 |
| Oftringen | 4665 +2 | 15 120 |
| Reitnau | 5057 +1 | 1 621 |
| Rothrist | 4852 +1 | 9 896 |
| Safenwil | 5745 | 4 630 |
| Staffelbach | 5053 | 1 365 |
| Strengelbach | 4802 | 5 098 |
| Uerkheim | 4813 +1 | 1 441 |
| Vordemwald | 4803 +1 | 2 039 |
| Wiliberg | 5058 | 170 |
| Zofingen | 4800 +2 | 12 876 |