Communes du district
| Commune | NPA | Habitants |
|---|---|---|
| Beinwil am See | 5712 | 3 719 |
| Birrwil | 5708 | 1 414 |
| Dürrenäsch | 5724 +1 | 1 375 |
| Gontenschwil | 5728 +1 | 2 209 |
| Holziken | 5043 | 1 763 |
| Leimbach (AG) | 5733 | 543 |
| Leutwil | 5725 +1 | 755 |
| Menziken | 5737 +1 | 8 672 |
| Oberkulm | 5727 | 3 023 |
| Reinach (AG) | 5734 | 9 634 |
| Schlossrued | 5044 | 893 |
| Schmiedrued | 5046 | 1 160 |
| Schöftland | 5040 | 4 608 |
| Teufenthal (AG) | 5723 +1 | 1 803 |
| Unterkulm | 5726 +2 | 3 801 |
| Zetzwil | 5732 | 1 381 |