Nousiainen

Nousiainen
Nousis
Municipality
Nousiaisten kunta
Nousis kommun
Nousiainen Church
Location of Nousiainen in Finland
Coordinates: 60°36′N 022°05′E / 60.600°N 22.083°E / 60.600; 22.083
Country Finland
RegionSouthwest Finland
Sub-regionTurku sub-region
Charter1867
Government
 • Municipal managerJuhani Kylämäkilä
Area
 (2018-01-01)
 • Total
199.55 km2 (77.05 sq mi)
 • Land198.93 km2 (76.81 sq mi)
 • Water0.62 km2 (0.24 sq mi)
 • Rank263rd largest in Finland
Population
 (2025-06-30)
 • Total
4,685
 • Rank174th largest in Finland
 • Density23.55/km2 (61.0/sq mi)
Population by native language
 • Finnish95.6% (official)
 • Swedish0.8%
 • Others3.6%
Population by age
 • 0 to 1419%
 • 15 to 6460.3%
 • 65 or older20.6%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
ClimateDfb
Websitenousiainen.fi

Nousiainen (Finnish: [ˈnou̯siˌɑi̯nen]; Swedish: Nousis) is a municipality of Finland. It is located in the Southwest Finland region, 20 kilometres (12 mi) from Turku along Highway 8 (E8). The Finnish-speaking municipality has a population of 4,685 (30 June 2025) and covers an area of 199.55 square kilometres (77.05 sq mi) of which 0.62 km2 (0.24 sq mi) is water. The population density is 23.55 inhabitants per square kilometre (61.0/sq mi).

There are two Natura 2000 sites in Nousiainen: the Kurjenrahka National Park and the Rehtisuo Raised Bog.