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Sonkajärvi

Logo: User:Care ; Original design by Ahti Hammar., Public domain, via Wikimedia Commons4

Municipality in North Savo, Finland

Sonkajärvi (Finnish pronunciation:; formerly known as Rutakko) is a municipality of Finland. It is located in North Savo region, 105 kilometres (65 mi) north of Kuopio. The municipality has a population of 3,521 (31 December 2025) and covers an area of 1,576.78 square kilometres (608.80 sq mi) of which 110.86 km2 (42.80 sq mi) is water.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1922Founded1
  • HeadquartersSonkajärvi, Finland1
  • Websitewww.sonkajarvi.fi
  • Legal formmunicipality of Finland1
  • Kind of organizationGovernment entity1
  • LEI743700N9SPRMLQPP1U923
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressLepokankaantie 2, FI-74300 Sonkajärvi, Finland3
  • Registered withFinnish Patent and Registration Office, 9090160-23

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Sonkajärven kirkko (Pyhän Toivon kirkko) - Josef Stenbäck, 1910 - Rutakontie 3 - Sonkajärvi - 2
Photo: Paju~commonswiki, CC BY-SA 3.0, via Wikimedia Commons6

Sonkajärvi (Finnish pronunciation: [ˈsoŋkɑˌjærʋi]; formerly known as Rutakko) is a municipality of Finland. It is located in North Savo region, 105 kilometres (65 mi) north of Kuopio. The municipality has a population of 3,521 (31 December 2025) and covers an area of 1,576.78 square kilometres (608.80 sq mi) of which 110.86 km2 (42.80 sq mi) is water. The population density is 2.4 inhabitants per square kilometre (6.2/sq mi). The municipality is unilingually Finnish.2

The story

The municipality was founded in 1922. Before it Sonkajärvi was a part of Iisalmen maalaiskunta.

From Wikipedia’s article on Sonkajärvi, shared under CC BY-SA 4.0.5

Timeline

  1. 1922Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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