Haapajärvi

Haapajärvi
Town
Haapajärven kaupunki
Haapajärvi stad
Haapajärvi railway station
Location of Haapajärvi in Finland
Coordinates: 63°45′N 025°19′E / 63.750°N 25.317°E / 63.750; 25.317
Country Finland
RegionNorth Ostrobothnia
Sub-regionNivala–Haapajärvi
Charter1838
Town privileges1977
Government
  Town managerJuha Uusivirta
Area
 (2018-01-01)
  Total
789.11 km2 (304.68 sq mi)
  Land766.45 km2 (295.93 sq mi)
  Water23.44 km2 (9.05 sq mi)
  Rank109th largest in Finland
Population
 (2025-03-31)
  Total
6,490
  Rank141st largest in Finland
  Density8.47/km2 (21.9/sq mi)
Population by native language
  Finnish97.9% (official)
  Others2.1%
Population by age
  0 to 1418.3%
  15 to 6456.3%
  65 or older25.4%
Time zoneUTC+02:00 (EET)
  Summer (DST)UTC+03:00 (EEST)
Websitewww.haapajarvi.fi

Haapajärvi is a town and municipality of Finland.

It is located in the province of Oulu and is part of the Northern Ostrobothnia region. The town has a population of 6,490 (31 March 2025) and covers an area of 789.11 square kilometres (304.68 sq mi) of which 23.44 km2 (9.05 sq mi) is water. The population density is 8.47 inhabitants per square kilometre (21.9/sq mi).

Neighbour municipalities are Haapavesi, Kärsämäki, Nivala, Pihtipudas, Pyhäjärvi, Reisjärvi and Sievi.

The municipality is unilingually Finnish.