Lumijoki
| Lumijoki | |
|---|---|
| Municipality | |
| Lumijoen kunta Lumijoki kommun | |
| Location of Lumijoki in Finland | |
| Coordinates: 64°50.2′N 025°11.2′E / 64.8367°N 25.1867°E | |
| Country | Finland | 
| Region | North Ostrobothnia | 
| Sub-region | Oulu | 
| Charter | 1867 | 
| Government | |
| • Municipal manager | Paula Karsi-Ruokolainen | 
| Area  (2018-01-01) | |
|  • Total | 290.29 km2 (112.08 sq mi) | 
| • Land | 214.12 km2 (82.67 sq mi) | 
| • Water | 77.1 km2 (29.8 sq mi) | 
| • Rank | 259th largest in Finland | 
| Population  (2025-03-31) | |
|  • Total | 2,008 | 
| • Rank | 255th largest in Finland | 
| • Density | 9.38/km2 (24.3/sq mi) | 
| Population by native language | |
| • Finnish | 95.6% (official) | 
| • Others | 4.4% | 
| Population by age | |
| • 0 to 14 | 27% | 
| • 15 to 64 | 54.4% | 
| • 65 or older | 18.6% | 
| Time zone | UTC+02:00 (EET) | 
| • Summer (DST) | UTC+03:00 (EEST) | 
| Website | www.lumijoki.fi | 
Lumijoki is a municipality of Finland.
It is located in the Northern Ostrobothnia region. The municipality has a population of 2,008 (31 March 2025) and covers an area of 290.29 square kilometres (112.08 sq mi) of which 77.1 km2 (29.8 sq mi) is water. The population density is 9.38 inhabitants per square kilometre (24.3/sq mi).
Neighbouring municipalities are Hailuoto, Liminka, Oulu and Siikajoki.
The municipality is unilingually Finnish.