|— Municipality —|
|- Municipal manager||Esko Kairesalo|
|- Tot||596.10 km2 (230.2 sq mi)|
|- Laund||580.84 km2 (224.3 sq mi)|
|- Watter||15.26 km2 (5.9 sq mi)|
|Aurie rank||198t lairgest in Finland|
|- Rank||56t lairgest in Finland|
|- Densitie||0/km2 (0/sq mi)|
|Population bi native leid|
|- Finnish||Expression error: Unrecognized punctuation character "[".% (official)|
|Time zone||EET (UTC+2)|
|- Simmer (DST)||EEST (UTC+3)|
Mäntsälä is a municipality in the Uusimaa region. It haes a population o 19,959 (31 Januar 2011) an covers an aurie o 596.10 square kilometres (230.16 sq mi) o which 15.26 km2 (5.89 sq mi) is water. The population density is 34.36 inhabitants per square kilometre (89.0 /sq mi).
Mäntsälä lees aboot 60 kilometres (40 mi) north o Helsinki, the caipital o Finland. Durin the last few years, the population o Mäntsälä haes been ane o the maist rapidly increasin in Finland. A new railroad wis built atween Kerava an Lahti wi passenger traffic stairtin on September 4, 2006 frae Mäntsälä railway station. Helsinki is aboot 40 minutes away, an Lahti even closer.
The municipality is unilingually Finnish.
Table o contents
Mäntsälä is considered tae hae been foondit in 1585, when the community's first kirk wis built. The current kirk wis completit in 1866 efter delay. The Crimean War affectit an aw Mäntsälä: funds for biggin the kirk wur spent on war efforts. Aw o the kirks wur locatit on Kirkonmäki at aboot the same spot.
The first common schuil wis foondit in 1870 bi wey o a testament o clergyman Abraham Ehnroos. Tae his credit is the foondin o a public library aaready in 1840. An intermediate schuil wis no foondit till 1945 wi a heich schuil follaein in 1954, previously facilities in Porvoo, Järvenpää an Helsinki wur uised.
In 1854 the first toun haw wis built on Kirkonmäki. The day a museum is operatin in the biggin, haein an aa served as a morgue, schuil kitchen an lesson space, an a dormitory. It is deterioratin severely an the museum is anerlie opened upon request.
The seicont toun haw wis built in 1935, an aw on Kirkonmäki. It served til the completion o the present toun haw in 1992. Nou it hooses an open college.
There is a total o 15 manors in Mäntsälä, 4 o which are open tae the public, the rest being private residences. Roushie emperor Alexander I visitit as guest o Ulla Möllersvärd in 1809 in the Mäntsälä manor lyin in the ceety center. The manors emerged in the 17t century as noblemen feoffs. Traditionally the land belanged tae the manors. There wur mony crofts in Mäntsälä an new legislation in 1918 enabled the crofters tae claim the land for thairsels. In the 1920s the manors wur still a sizable land awner in the parish.
Mäntsälä is especially kent for the Mäntsälä rebellion. Aboot 400 ceevil guards went shuitin tae a Social Democratic pairty rally at Ohkola community haw, interruptin it. In the course o a few days leaders o Lapua Muivement an airmed ceevil guards frae aw ower the kintra arrived tae Mäntsälä. The govrenment ordered them arrestit, an efter a speech bi preses Svinhufvud on Mairch 2 the situation gradually settled doun. The muivement disbandit early in ware.
Warld War II brought aboot 2000 Karelian immigrants tae Mäntsälä. They came mainly frae Kirvu an Koivisto. Land wis cut frae the manors again for immigrants, reducin manor estate considerably. In 1985 a museum aboot the Kirvu parish wis opened next tae the kirk in the ceety center.
In 1992 an apartment trade fair wis held in Mäntsälä. The aurie is being expandit an syne 2006, a train depot lees next tae it.
Population progress 
The population o Mäntsälä haes stayed quite level for decades, but the biggin o a motorwa up tae Järvenpää in the 1970s an the extension tae Lahti in 1999 hae brought new residents frae the metropolitan aurie. Bi the middle o the 2000s the new railroad tae Lahti haes been central in municipality population growth. Mony fowk muivit tae Mäntsälä acause o the railroad, that affered quick commutin tae Helsinki.
- 1749: 1,492 (unconfirmed)
- 1898: 7,972 (unconfirmed)
- 1920: 7,666
- 1930: 7,844
- 1940: 7,739
- 1950: 11,072
- 1960: 10,932
- 1970: 10,166
- 1980: 11,267
- 1990: 14,793
- 2000: 16,628
- 2005: 18,226
- 2007: 18,980
Famous Mäntsälä dwellers 
Adolf Erik Nordenskiöld is considered tae be oreeginally frae Mäntsälä, haein spent his early youth on the family estate there, although he wis born in Helsinki an lived an aw in Swaden. Nordenskiöld wis a nineteent century geologist an Airctic splorer.
See an aa 
- Area by municipality as of 1 Januar 2011 (Finnish an Swadish) (PDF). Land Survey of Finland. Retrieved on Error: Invalid time.. .
- VÄESTÖTIETOJÄRJESTELMÄ REKISTERITILANNE 30.09.2012 (Finnish and Swedish). Population Register Center of Finland. Retrieved on 17 October 2012. .
- Population according to language and the number of foreigners and land area km2 by area as of 31 Dizember 2008. Statistics Finland's PX-Web databases. Statistics Finland. Retrieved on Error: Invalid time.. .
Freemit airtins 
- Municipality of Mäntsälä – Offeecial wabsteid
- The auldest document in the statistical airchives o Statistics Finland aboot the population o Mäntsälä in 1749