Merijärvi is a municipality of Finland. It is located in the province of Oulu and is part of the Northern Ostrobothnia region. The municipality has a population of () and covers an area of of which is water. The population density is . The municipality is unilingually Finnish. Notable people Juhani Alaranta, an ex-member of parliament Erkki Haukipuro, a late member of parliament, minister and governor Alvar Saukko, an ex-member of parliament Tuomas Myllylä, a cartoon artist References External links Municipality of Merijärvi – Official website Populated places established in 1866 1866 establishments in the Russian Empire