Nivala is a town and municipality of Finland. It is located in the Northern Ostrobothnia region. The town has a population of 10,380 and cover…Nivala is a town and municipality of Finland. It is located in the Northern Ostrobothnia region. The town has a population of 10,380 and covers an area of 536.88 square kilometres of which 8.92 km² is water. The population density is 19.68 inhabitants per square kilometre. The municipality is unilingually Finnish.