Private company

Isojoki

Logo: User:Tomia ; Original design by Pentti Vakkamaa., Public domain, via Wikimedia Commons4

Municipality in South Ostrobothnia, Finland

Isojoki (Swedish: StorĂ¥; lit. "Big River") is a municipality of Finland. It is part of the South Ostrobothnia region.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1855Founded1
  • HeadquartersIsojoki, Finland1
  • Websiteisojoki.fi
  • Legal formmunicipality of Finland1
  • Kind of organizationGovernment entity1
  • LEI7437006PK50JR99X7J523
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressPL 23, FI-64901 Isojoki, Finland3
  • Registered withFinnish Patent and Registration Office, 0178071-53
Isojoen kirkko ja kellotapuli
Photo: Kati Riihiluoma, Attribution, via Wikimedia Commons5

Isojoki (Swedish: StorĂ¥; lit. "Big River") is a municipality of Finland. It is part of the South Ostrobothnia region. The city of Pori is located 83 kilometres (52 mi) south of Isojoki. Neighbouring municipalities are Honkajoki, Karijoki, Kauhajoki, Kristinestad, Merikarvia and Siikainen. The population of Isojoki is 1,771 (31 December 2025). The municipality covers an area of 642.4 km2 (248.0 sq mi), of which 5.05 km2 (1.95 sq mi) is inland water (1 January 2018). The population density is 2.76/km2 (7.1/sq mi). The municipality is unilingually Finnish.2

Timeline

  1. 1855Founded Founded1

Sources

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

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5