Kronoby is situated in Ostrobothnia, along the Gulf of Bothnia.

[1] The population density is 8.88 inhabitants per square kilometre (23.0/sq mi).

Kronoby is a bilingual municipality with Finnish and Swedish as its official languages.

The neighbouring municipalities of Kronoby are Evijärvi, Kaustinen, Kokkola, Larsmo, Pedersöre and Veteli.

The city of Vaasa is located 107 kilometres (66 mi) southwest of Kronoby.