Karijoki

Karijoki Bötom
Municipality
Karijoen kunta Bötoms kommun
Karijoki in 1990
Coat of arms
Location of Karijoki in Finland
Interactive map of Karijoki
Coordinates: 62°18.5′N 021°42.5′E
Country	Finland
Region	South Ostrobothnia
Sub-region	Suupohja
Government
• Municipal manager	Marko Keski-Sikkilä
Area  (2018-01-01)
• Total	186.54 km2 (72.02 sq mi)
• Land	185.58 km2 (71.65 sq mi)
• Water	0.78 km2 (0.30 sq mi)
• Rank	267th largest in Finland
Population  (2025-12-31)
• Total	1,134
• Rank	287th largest in Finland
• Density	6.11/km2 (15.8/sq mi)
Population by native language
• Finnish	95.1% (official)
• Swedish	2.1%
• Others	2.7%
Population by age
• 0 to 14	11.4%
• 15 to 64	52.4%
• 65 or older	36.3%
Time zone	UTC+02:00 (EET)
• Summer (DST)	UTC+03:00 (EEST)
Website	karijoki.fi

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Karijoki (Finnish: [ˈkɑriˌjoki]; Swedish: Bötom) is a municipality of Finland. It is part of the South Ostrobothnia region. The population of Karijoki is 1,134 (December 31, 2025), which makes it the smallest municipality in South Ostrobothnia in terms of population. The municipality covers an area of 185.58 km² (71.65 sq mi) of which 0.78 km² (0.30 sq mi) is inland water (January 1, 2018). The population density is 6.11/km² (15.8/sq mi). The municipality is unilingually Finnish.

A proposed neanderthal cave, Susiluola, was found in the Pyhävuori mountains in Karijoki in 1997.