Lieksa

Lieksa
Town
Lieksan kaupunki
Lieksa stad
Town center of Lieksa
Location of Lieksa in Finland
Coordinates: 63°19′N 030°01′E / 63.317°N 30.017°E / 63.317; 30.017
Country Finland
RegionNorth Karelia
Sub-regionPielinen Karelia
Charter1973
Government
 • Town managerPirre Seppänen
Area
 (2018-01-01)
 • Total
4,067.60 km2 (1,570.51 sq mi)
 • Land3,417.86 km2 (1,319.64 sq mi)
 • Water649.14 km2 (250.63 sq mi)
 • Rank15th largest in Finland
Population
 (2025-06-30)
 • Total
10,002
 • Rank97th largest in Finland
 • Density2.93/km2 (7.6/sq mi)
Population by native language
 • Finnish93.5% (official)
 • Others6.5%
Population by age
 • 0 to 149.9%
 • 15 to 6452%
 • 65 or older38.1%
Time zoneUTC+02:00 (EET)
 • Summer (DST)UTC+03:00 (EEST)
Websitewww.lieksa.fi

Lieksa (Finnish pronunciation: [ˈlie̯ksɑ]) is a town and municipality of Finland. It is located in the North Karelia region. The municipality has a population of 10,002 (30 June 2025) and covers an area of 4,067.60 square kilometres (1,570.51 sq mi) of which 649.14 km2 (250.63 sq mi) is water. The population density is 2.93 inhabitants per square kilometre (7.6/sq mi).

The municipality is unilingually Finnish.

The town of Lieksa was established in 1973 when the Market town of Lieksa and the Municipality of Pielisjärvi were consolidated.