Ruukki is a former municipality of Finland

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

.

It is located in the province

Provinces of Finland

The state of Finland consisted of six provinces between the years 1997 and 2009. The provincial authority was part of the central government's executive branch, not directly elected. The system was created in 1634, and its makeup was changed drastically in 1997, when the number of the provinces...

 of Oulu and is part of the Northern Ostrobothnia

Northern Ostrobothnia

Northern Ostrobothnia is a region of Finland. It borders to the regions Lapland, Kainuu, Northern Savonia, Central Finland and Central Ostrobothnia.- Municipalities :Main article: Municipalities of Northern Ostrobothnia...

 region

Regions of Finland

Finland consists of 19 regions called in Finnish and in Swedish. The regions are governed by regional councils, which serve as forums of cooperation for the municipalities of a region. The main tasks of the regions are regional planning and development of enterprise and education. In addition,...

. The municipality had a population of 4,505 (31 December 2006) and covered an area of 772.58 square kilometres (298.3 sq mi) of which 5.79 km² (2.2 sq mi) is water. The population density

Population density

Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 was 5.88 PD/km2.

The municipality was unilingually Finnish

Finnish language

Finnish is the language spoken by the majority of the population in Finland Primarily for use by restaurant menus and by ethnic Finns outside Finland. It is one of the two official languages of Finland and an official minority language in Sweden. In Sweden, both standard Finnish and Meänkieli, a...

.

In 2007 municipality of Ruukki joined together with Siikajoki

Siikajoki

Siikajoki 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 ofwhich is water. The population density is...

.