Article · Wikipedia archive · Last revised Jul 25, 2026

North Ostrobothnia

North Ostrobothnia is a region of Finland. It borders the Finnish regions of Lapland, Kainuu, North Savo, Central Finland and Central Ostrobothnia, as well as the Russian Republic of Karelia. The easternmost corner of the region between Lapland, Kainuu and the Russian border is known as Koillismaa.

Last revised
Jul 25, 2026
Read time
≈ 3 min
Length
712 w
Citations
5
Source
North Ostrobothnia
Pohjois-Pohjanmaa (Finnish)
Norra Österbotten (Swedish)
Region of North Ostrobothnia
Pohjois-Pohjanmaan maakunta
Landskapet Norra Österbotten
Coat of arms of North Ostrobothnia
North Ostrobothnia on a map of Finland
North Ostrobothnia on a map of Finland
Coordinates: 65°N 026°E / 65°N 26°E / 65; 26
CountryFinland
Historical provinceOstrobothnia
CapitalOulu
Other townsHaapajärvi, Haapavesi, Ii, Kalajoki, Kempele Kuusamo, Nivala, Oulainen, Pudasjärvi, Raahe and Ylivieska
Area
 • Total
37,149.23 km2 (14,343.40 sq mi)
Population
 (2023)
 • Total
418,212
 • Density11.2576/km2 (29.1571/sq mi)
GDP
 • Total€12.502 billion (2015)
 • Per capita€30,779 (2015)
Time zoneUTC+2 (EET)
 • Summer (DST)UTC+3 (EEST)
ISO 3166 codeFI-14
NUTS1A2
Regional songKymmenen Virran Maa (The Land of Ten Mighty Streams)
Regional animalStoat (Mustela erminea)
Regional birdCommon crane (Grus grus)
Regional fishCommon whitefish (Coregonus lavaretus)
Regional flowerMarsh Labrador tea (Rhododendron tomentosum)
Regional rockSchist
Regional lakeLake Pyhäjärvi
Websitewww.pohjois-pohjanmaa.fi Edit this at Wikidata

North Ostrobothnia2 (Finnish: Pohjois-Pohjanmaa; Swedish: Norra Österbotten) is a region of Finland. It borders the Finnish regions of Lapland, Kainuu, North Savo, Central Finland and Central Ostrobothnia, as well as the Russian Republic of Karelia. The easternmost corner of the region between Lapland, Kainuu and the Russian border is known as Koillismaa ("North-East Finland").3

Historical provinces

Municipalities

The region of North Ostrobothnia consists of 30 municipalities, 11 of which have city status (marked in bold).

Map of municipalities

Sub-regions

List of municipalities

Lampreys source ↗
Coat of
arms
Municipality Population Land area
(km2)
Density
(/km2)
Finnish
speakers
Swedish
speakers
Other
speakers
Coat of arms of Alavieska Alavieska 2,384 252 9 98 % 0 % 2 %
coat of arms of Haapajärvi Haapajärvi 6,441 766 8 98 % 0 % 2 %
Coat of arms of Haapavesi Haapavesi 6,298 1,050 6 96 % 0 % 4 %
Coat of arms of Hailuoto Hailuoto 912 206 4 98 % 0 % 2 %
coat of arms of Ii Ii 9,755 1,616 6 99 % 0.2 % 1 %
Coat of arms of Kalajoki Kalajoki 12,155 924 13 96 % 0.4 % 4 %
Coat of arms of Kempele Kempele 19,702 110 179 98 % 0.1 % 2 %
Coat of arms of Kuusamo Kuusamo 14,800 4,979 3 95 % 0.3 % 5 %
Coat of arms of Kärsämäki Kärsämäki 2,324 697 3 98 % 0 % 2 %
coat of arms of Liminka Liminka 10,116 637 16 99 % 0.1 % 1 %
Coat of arms of Lumijoki Lumijoki 2,018 214 9 96 % 0 % 4 %
Coat of arms of Merijärvi Merijärvi 1,031 230 4 99 % 0 % 0 %
Coat of arms of Muhos Muhos 8,767 785 11 98 % 0 % 2 %
Coat of arms of Nivala Nivala 10,300 527 20 98 % 0 % 2 %
Coat of arms of Oulainen Oulainen 6,832 588 12 97 % 0 % 3 %
coat of arms of Oulu Oulu 217,469 2,972 73 93 % 0.2 % 7 %
Coat of arms of Pudasjärvi Pudasjärvi 7,168 5,639 1 98 % 0.2 % 2 %
Coat of arms of Pyhäjoki Pyhäjoki 2,938 543 5 96 % 0 % 4 %
coat of arms of Pyhäjärvi Pyhäjärvi 4,551 1,310 3 97 % 0 % 3 %
Coat of arms of Pyhäntä Pyhäntä 1,678 810 2 89 % 0 % 11 %
Coat of arms of Raahe Raahe 23,413 1,014 23 95 % 0.1 % 5 %
Coat of arms of Reisjärvi Reisjärvi 2,476 474 5 99 % 0 % 1 %
Coat of arms of Sievi Sievi 4,585 786 6 94 % 0.2 % 6 %
coat of arms of Siikajoki Siikajoki 4,723 1,055 4 98 % 0 % 2 %
Coat of arms of Siikalatva Siikalatva 4,861 2,173 2 98 % 0 % 2 %
Coat of arms of Taivalkoski Taivalkoski 3,555 2,438 1 97 % 0 % 3 %
Coat of arms of Tyrnävä Tyrnävä 6,470 492 13 99 % 0.2 % 1 %
Coat of arms of Utajärvi Utajärvi 2,399 1,669 1 98 % 0 % 2 %
Coat of arms of Vaala Vaala 2,544 1,302 2 98 % 0 % 2 %
Coat of arms of Ylivieska Ylivieska 15,274 570 27 97 % 0.2 % 3 %
Total 417,939 36,830 11 95 % 0.2 % 5 %

Demographics

Population size 1990–20254
Year Population
1990
350,799
1995
364,443
2000
372,639
2005
384,808
2010
398,335
2015
410,054
2020
413,830
2025
417,939

Politics

For parliamentary elections, the regions of North Ostrobothnia and Kainuu form the Oulu constituency. As of 2023, the constituency elects 18 of the 200 members of the Parliament of Finland.5

References

References

  1. Regions and Cities > Regional Statistics > Regional Economy > Regional GDP per Capita, OECD.Stats. Accessed on 16 November 2018.
  2. "Tilastokeskus – Luokitukset – Regions". stat.fi.
  3. Jyrki Muona & Juha Viramo (1986). The coleoptera of the Koillismaa area (Ks.), North-East Finland. Oulu: University of Oulu. ISBN 951-42-2163-X.
  4. "Population growth slowed down in 2025". Population structure. Statistics Finland. 2026-04-01. ISSN 1797-5395. Retrieved 2026-04-06.
  5. "Vaalipiirit eduskuntavaaleissa". Vaalit (in Finnish). Retrieved 2026-04-30.
External links