Karstula
| Karstula | |
|---|---|
| Municipality | |
| Karstulan kunta Karstula kommun | |
| Karstula Church | |
| Location of Karstula in Finland | |
| Coordinates: 62°52.5′N 024°48′E / 62.8750°N 24.800°E | |
| Country | Finland | 
| Region | Central Finland | 
| Sub-region | Saarijärvi–Viitasaari sub-region | 
| Charter | 1867 | 
| Government | |
| • Municipal manager | Pekka Kanervio | 
| Area  (2018-01-01) | |
|  • Total | 963.19 km2 (371.89 sq mi) | 
| • Land | 887.06 km2 (342.50 sq mi) | 
| • Water | 76.22 km2 (29.43 sq mi) | 
| • Rank | 86th largest in Finland | 
| Population  (2025-03-31) | |
|  • Total | 3,556 | 
| • Rank | 201st largest in Finland | 
| • Density | 4.01/km2 (10.4/sq mi) | 
| Population by native language | |
| • Finnish | 97.8% (official) | 
| • Others | 2.2% | 
| Population by age | |
| • 0 to 14 | 12.3% | 
| • 15 to 64 | 52.8% | 
| • 65 or older | 34.9% | 
| Time zone | UTC+02:00 (EET) | 
| • Summer (DST) | UTC+03:00 (EEST) | 
| Website | karstula | 
Karstula is a municipality of Finland founded in 1867. It is located in the Central Finland region. The municipality has a population of 3,556 (31 March 2025) and covers an area of 963.19 square kilometres (371.89 sq mi) of which 76.22 km2 (29.43 sq mi) is water. The population density is 4.01 inhabitants per square kilometre (10.4/sq mi).
Neighbouring municipalities are Kannonkoski, Kivijärvi, Kyyjärvi, Saarijärvi and Soini.
There are all together 159 lakes in Karstula, the biggest lakes being Pääjärvi, Enonjärvi and Vahanka.