Zell is a municipality in the district of Willisau in the canton of Lucerne in Switzerland.

Of the rest of the land, 8.9% is settled (buildings or roads) and the remainder (0.4%) is non-productive (rivers, glaciers or mountains).

Of the settled areas, 2.96% is covered with buildings, 1.15% is industrial, 2.02% is classed as special developments, 0.22% is parks or greenbelts and 2.52% is transportation infrastructure.

Most of the population (as of 2000[update]) speaks German (94.8%), with Albanian being second most common ( 1.7%) and Portuguese being third ( 0.8%).

The age distribution, as of 2008[update], in Zell is; 496 people or 25.8% of the population is 0–19 years old.

In the 2000 census[update] the religious membership of Zell was; 1,535 (77.7%) were Roman Catholic, and 309 (15.6%) were Protestant, with an additional 3 (0.15%) that were of some other Christian faith.