Marttila

Marttila
S:t Mårtens
Municipality
Marttilan kunta
S:t Mårtens kommun
A countryside of Marttila
Location of Marttila in Finland
Coordinates: 60°35′N 022°54′E / 60.583°N 22.900°E / 60.583; 22.900
Country Finland
RegionSouthwest Finland
Sub-regionLoimaa
Charter1409
Named afterMartin of Tours
Government
 • Municipal managerAnne Ahtiainen
Area
 (2018-01-01)
 • Total
195.99 km2 (75.67 sq mi)
 • Land195.31 km2 (75.41 sq mi)
 • Water0.71 km2 (0.27 sq mi)
 • Rank264th largest in Finland
Population
 (2025-06-30)
 • Total
1,910
 • Rank261st largest in Finland
 • Density9.78/km2 (25.3/sq mi)
Population by native language
 • Finnish95.9% (official)
 • Swedish1%
 • Others3.1%
Population by age
 • 0 to 1415.9%
 • 15 to 6456.3%
 • 65 or older27.8%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
ClimateDfc
Websitewww.marttila.fi

Marttila (Finnish: [ˈmɑrtːilɑ]; Swedish: S:t Mårtens, i.e. "Saint Martin's") is a municipality of Finland. It is located in the province of Western Finland and is part of the Southwest Finland region. The municipality has a population of 1,910 (30 June 2025) and covers an area of 195.99 square kilometres (75.67 sq mi) of which 0.71 km2 (0.27 sq mi) is water. The population density is 9.78 inhabitants per square kilometre (25.3/sq mi).

The municipality is unilingually Finnish.

Marttila's neighbouring municipalities are Koski Tl, Lieto, Loimaa, Paimio, Pöytyä and Salo.