Riihimäki

Riihimäki
Town
Riihimäen kaupunki
Riihimäki stad
Riihimäki railway station
Location of Riihimäki in Finland
Coordinates: 60°44′N 024°46′E / 60.733°N 24.767°E / 60.733; 24.767
Country Finland
RegionKanta-Häme
Sub-regionRiihimäki
Charter1922
City rights1960
Government
  City managerJouni Eho
Area
 (2018-01-01)
  Total
125.56 km2 (48.48 sq mi)
  Land121.01 km2 (46.72 sq mi)
  Water4.54 km2 (1.75 sq mi)
  Rank290th largest in Finland
Population
 (2025-03-31)
  Total
28,619
  Rank38th largest in Finland
  Density236.5/km2 (613/sq mi)
Population by native language
  Finnish91.4% (official)
  Swedish0.4%
  Others8.1%
Population by age
  0 to 1415.4%
  15 to 6461.8%
  65 or older22.8%
Time zoneUTC+02:00 (EET)
  Summer (DST)UTC+03:00 (EEST)
Websitewww.riihimaki.fi/en/

Riihimäki (Finnish pronunciation: [ˈriːhiˌmæki]; lit.'drying barn hill') is a town and municipality in the south of Finland, about 69 kilometres (43 mi) north of Helsinki and 109 kilometres (68 miles) southeast of Tampere. An important railway junction is located in Riihimäki, since railway tracks from Riihimäki lead to Helsinki, Tampere and Lahti. Several businesses also operate in Riihimäki. Notably, Würth Oy has its Finnish headquarters and logistics center in Riihimäki. Valio has a major dairy in the Herajoki part of Riihimäki. The famous Sako rifles are also produced in Riihimäki.

The town is located in the province of Southern Finland and is part of the Tavastia Proper region. Its neighboring municipalities are Janakkala in the north, Hausjärvi in the east, Hyvinkää in the south and Loppi in the west. The town has a population of 28,619 (31 March 2025) and covers an area of 125.56 square kilometres (48.48 sq mi) of which 4.54 km2 (1.75 sq mi) is water. The population density is 236.5 inhabitants per square kilometre (613/sq mi). The municipality is unilingually Finnish.

Riihimäki is home to the Riihimäki Prison, which is, alongside Turku Prison, one of the prisons in the country with the highest security rating (A+), and is home to the country's most dangerous prisoners.