Järvenpää is the 17th district of the city of Lahti, in the region of Päijät-Häme, Finland.

It borders the districts of Myllypohja in the north, Kolava in the east, Kujala in the south and Möysä in the west.

[1] The population of the statistical district of Karisto, which covers Järvenpää as well as Kolava, was 2,706 in 2019.

It is first documented as an independent village in 1564 under the name of Jousijärvi, and it only consisted of one estate, Anttila.

[3] The nominal area of the district of Järvenpää has grown significantly at the expense of Kolava, due to political reasons related to the development of the residential area of Karisto.