The place name Mänttä comes from an old house which Tuomas Niilonpoika Mäntsä (1570–1618) founded in Keuruskoski in the wilderness of Sääksmäki.
It was located in the province of Western Finland and was part of the Pirkanmaa region. The municipality had a population of 6341 in 2008 and covered an area of 85.84 square kilometres (33.14 sq mi) of which 21.61 square kilometres (8.34 sq mi) was water. The population density was 100.0 inhabitants per km².
The municipality was unilingually Finnish.
- Aamulehti, 125. vuosikerta, nro 238
- "Population by municipality as of 31 December 2008". Population Information System (in Finnish and Swedish). Population Register Center of Finland. Archived from the original on 2011-07-20. Retrieved 23 November 2010.