| 'Municipality' | 'Population' (31 Dec 2004) | 'Area, km²' |
|---|---|---|
| Beromünster | 2532 | 6.30 |
| Büron | 1939 | 5.37 |
| Buttisholz | 2816 | 16.71 |
| Eich | 1440 | 9.22 |
| Geuensee | 2122 | 6.47 |
| Grosswangen | 2837 | 19.70 |
| Gunzwil | 1889 | 23.26 |
| Hildisrieden | 1794 | 7.04 |
| Knutwil | 1618 | 9.74 |
| Mauensee | 1086 | 45.10 |
| Neudorf | 1055 | 12.81 |
| Neuenkirch | 5725 | 26.25 |
| Nottwil | 2780 | 14.83 |
| Oberkirch | 2970 | 10.95 |
| Pfeffikon | 711 | 2.49 |
| Rickenbach | 2017 | 9.36 |
| Ruswil | 6383 | 45.25 |
| Schenkon | 2411 | 7.67 |
| Schlierbach | 594 | 7.17 |
| Sempach | 3694 | 11.68 |
| Sursee | 8082 | 6.06 |
| Triengen | 3406 | 14.51 |
| Winikon | 740 | 7.57 |
| Wolhusen | 4060 | 14.30 |
| 'Total' | '64,701' | '302.04' |