[1] The population density is 3.31 inhabitants per square kilometre (8.6/sq mi).

[5] Mimicking the badger in the coat of arms of Luhanka, the permanent residents include the official animal mascot of the municipality, Sisu the Badger (Sisu-mäyrä).

[6] Neighboring municipalities are Hartola, Joutsa, Jyväskylä, Jämsä, Kuhmoinen and Sysmä.

Biggest lakes in Luhanka are Päijänne, Tammijärvi-Hauha and Jutilanjärvi.

-nka is a derivational suffix, which is also found in other place names such as Puolanka and Maaninka.