Nivala is a town and municipality of Finland. It is located in the Northern Ostrobothnia region. The town has a population of () and covers an area of of which is water. The population density is . The municipality is unilingually Finnish. Geography Neighbouring municipalities are Haapajärvi, Haapavesi, Sievi, and Ylivieska. Nature The Kalajoki river flows through the municipality. The biggest lake in the region is Pidisjärvi and the two other lakes are Suojärvi and Erkkisjärvi. Notable people Kyösti Kallio, the fourth President of Finland (1937–1940), was a resident of Nivala. Rakel Liehu, writer Maria Lohela, former Speaker of the Parliament of Finland (2015–2018) Atte Ohtamaa, hockey player References External links Municipality of Nivala – Official website Cities and towns in Finland Municipalities of North Ostrobothnia Populated places established in 1867