Hausjärvi

Hausjärvi
Municipality
Hausjärven kunta
Hausjärvi kommun
Location of Hausjärvi in Finland
Coordinates: 60°47.2′N 025°01.5′E / 60.7867°N 25.0250°E / 60.7867; 25.0250
Country Finland
RegionKanta-Häme
Sub-regionRiihimäki
Charter1868
SeatOitti
VillagesHikiä, Ryttylä
Government
 • Municipal managerPekka Määttänen
Area
 (2018-01-01)
 • Total
398.77 km2 (153.97 sq mi)
 • Land389.42 km2 (150.36 sq mi)
 • Water8.98 km2 (3.47 sq mi)
 • Rank205th largest in Finland
Population
 (2025-06-30)
 • Total
7,923
 • Rank119th largest in Finland
 • Density20.35/km2 (52.7/sq mi)
Population by native language
 • Finnish95.9% (official)
 • Swedish0.4%
 • Others3.7%
Population by age
 • 0 to 1417.1%
 • 15 to 6460.3%
 • 65 or older22.6%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
Websitewww.hausjarvi.fi

Hausjärvi is a municipality of Finland. Its seat is in Oitti.

It is part of the Kanta-Häme region. The municipality has a population of 7,923 (30 June 2025) and covers an area of 398.77 square kilometres (153.97 sq mi) of which 8.98 km2 (3.47 sq mi) is water. The population density is 20.35 inhabitants per square kilometre (52.7/sq mi).

Geographically, and to some extent politically, Hausjärvi is characterized by its three population centres, Hikiä (population 1,055), Oitti (population 1,855) and Ryttylä (population 1,595). The administrative center of the municipality is Oitti, but politically there sometimes emerges debate on which centres should be developed and/or made targets of public investment.

The municipality is unilingually Finnish.