Rautalampi (Finnish pronunciation: [ˈrɑu̯tɑˌlɑmpi]) is a municipality of Finland. It is located in the Northern Savonia region. The municipality has a population of 2,922 (31 October 2024) and covers an area of 761.98 square kilometres (294.20 sq mi) of which 222.99 km2 (86.10 sq mi) is water. The population density is 5.42 inhabitants per square kilometre (14.0/sq mi). The municipality is unilingually Finnish.
Neighbouring municipalities are Hankasalmi, Konnevesi, Pieksämäki, Suonenjoki, Tervo and Vesanto. The distance from Rautalampi to Kuopio is about 70 kilometers.
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