|
Lappajärvi is a municipality of Finland.
It is located in the province of Western Finland and is part of the Southern Ostrobothnia region. The municipality has a population of 3,792 (2003) and covers an area of 523.80 km² of which 102.45 km² is water. The population density is 7.2 inhabitants per km².
The municipality is unilingually Finnish.