Janakkala

Janakkala
Municipality
Janakkalan kunta
Janakkala kommun
Church of Saint Lawrence in Janakkala
Location of Janakkala in Finland
Coordinates: 60°55′N 024°39′E / 60.917°N 24.650°E / 60.917; 24.650
Country Finland
RegionKanta-Häme
Sub-regionHämeenlinna
Charter1866
SeatTurenki
VillagesLeppäkoski, Tervakoski
Government
 • Municipality managerReijo Siltala (– 2024)
Area
 (2018-01-01)
 • Total
586.07 km2 (226.28 sq mi)
 • Land547.41 km2 (211.36 sq mi)
 • Water38.63 km2 (14.92 sq mi)
 • Rank156th largest in Finland
Population
 (2025-06-30)
 • Total
15,995
 • Rank69th largest in Finland
 • Density29.22/km2 (75.7/sq mi)
Population by native language
 • Finnish95.4% (official)
 • Swedish0.4%
 • Others4.2%
Population by age
 • 0 to 1416.2%
 • 15 to 6459%
 • 65 or older24.8%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
Websitewww.janakkala.fi/en/

Janakkala (Finnish pronunciation: [ˈjɑnɑkːɑlɑ]) is a municipality of Finland. Its administrative centre is in Turenki. Janakkala is located along Highway 3 (E12) in the province of Southern Finland and is part of the Kanta-Häme region. To the south, Janakkala shares a boundary with Riihimäki, the northern neighbour being Hämeenlinna. It is 16 kilometres (9.9 mi) from Turenki to Hämeenlinna, 94 kilometres (58 mi) to Tampere, and 96 kilometres (60 mi) to Helsinki.

The municipality has a population of 15,995 (30 June 2025) and covers an area of 586.07 square kilometres (226.28 sq mi) of which 38.63 km2 (14.92 sq mi) is water. The population density is 29.22 inhabitants per square kilometre (75.7/sq mi). In Janakkala the rate of unemployment is 9.7% and the rate of municipal taxes is %. The municipality is unilingually Finnish.