Municipalities 2025
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Municipalities in Finland 2025
The purpose of regional classifications used in statistics is to describe regional variations of various phenomena and regional structure. As most regional classifications, the municipal division is based on the administrative regional division.
Municipality is the basic regional unit for most statistics. In addition to statistics compilation, the classification system of municipalities is suitable for use in other information systems as well. The Digital and Population Data Services Agency issues numerical codes for municipalities according to the public administration recommendation. In 2025, the number of municipalities in Finland is 308.
Municipalities, sub-regional units, regions and the statistical grouping of municipalities are the primary regional classifications used in Finland's statistical system. Other municipality-based regional classifications used in statistics are major regions, Regional State Administrative Agencies (AVI), Centres for Economic Development, Transport and the Environment (ELY centres) and Wellbeing services counties. Types of municipalities include the cost-of-living classification, financial capacity classification, language distribution classification and municipality form classification.
Changes as of 1 January 2025
Pertunmaa (588) and Mäntyharju (507) were united. The name of the new municipality is Mäntyharju and the municipality code is 507.
No changes as of 1 January 2024
Changes on 16 March 2023
The English names of municipalities change for two municipalities. The change is based on the recommendation of the Language Board, by which the name of the municipality’s main language is followed in the English names of municipalities.
Raasepori > Raseborg
Vöyri > Vörå
Changes as of 1 January 2023
At the beginning of 2023 one partial municipal merger is implemented: From city of Haapavesi (071) one real property (11 persons) is annexed to city of Nivala (535).
No changes as of 1 January 2022
Changes as of 1 January 2021
Honkajoki (099) and Kankaanpää (214) were united. The name of the new municipality is Kankaanpää and the municipality code is 214.
Additionally, one partial municipal merger were implemented at the beginning of 2021: Masku (481): one real property and part of the register unit (not a single person) was annexed to Nousiainen (538).
Changes on 3 November 2020
The name of 24 municipalities was changed to correspond to the list of Finnish and Swedish-speaking municipalities maintained by the Institute for the Languages of Finland (Kotus).
Akaa > Ackas
Alavus > Alavo
Halsua > Halso
Hartola > Gustav Adolfs
Huittinen > Vittis
Ii > Ijo
Iitti > Itis
Ilmajoki > Ilmola
Juuka > Juga
Keuruu > Keuru
Kitee > Kides
Kontiolahti > Kontiolax
Koski Tl > Koskis
Kuhmoinen > Kuhmois
Laitila > Letala
Laukaa > Laukas
Liperi > Libelits
Marttila > S:t Mårtens
Mynämäki > Virmo
Ruokolahti > Ruokolax
Siikainen > Siikais
Vehmaa > Vemo
Vimpeli > Vindala
Virolahti > Vederlax
Changes as of 1 January 2020
Valtimo (911) and Nurmes (541) were united. The name of the new municipality is Nurmes and the municipality code is 541.
No changes as of 1 January 2019
Changes on 1 January 2018
No changes in the numbers of municipalities, but the English names of municipalities change for 13 municipalities. The change is based on the recommendation of the Language Board, by which the name of the municipality’s main language is followed in the English names of municipalities. Municipalities whose name in English change: 149 Inkoo > Ingå 287 Kristiinankaupunki > Kristinestad 288 Kruunupyy > Kronoby 322 Kemiönsaari > Kimitoön 440 Luoto > Larsmo 445 Parainen > Pargas 475 Maalahti > Malax 478 Maarianhamina > Mariehamn 499 Mustasaari > Korsholm 545 Närpiö > Närpes 598 Pietarsaari > Jakobstad 599 Pedersöre > Pedersöre 893 Uusikaarlepyy > Nykarleby.
Additionally, two partial municipal mergers were implemented at the beginning of 2018: Oulu (564): 483 real properties (of which 25 partly) and 19 other register units (in total 417 persons) were annexed to the municipality of Ii (139) and Sipoo (753): one real property (two persons) was annexed to Vantaa (092).
Changes on 1 January 2017 Luvia (442) and Eurajoki (051) merged. The name of the new municipality is Eurajoki and the municipality code is 051. Juankoski (174) and Kuopio (297) merged. The name of the new municipality is Kuopio and the municipality code is 297.
Changes on 1 January 2016 Kurikka (301) and Jalasjärvi (164) merged. The name of the new municipality is Kurikka and the municipality code is 301. Hollola (098) and Hämeenkoski (283) merged. The name of the new municipality is Hollola and the municipality code is 098. Säkylä (783) and Köyliö (319) merged. The name of the new municipality is Säkylä and the municipality code is 783. Lahti (398) and Nastola (532) merged. The name of the new municipality is Lahti and the municipality code is 398. In addition, four partial municipal mergers were implemented at the beginning of 2016. Alavus (010): nine real properties (six persons) were annexed to Ähtäri (989). Orimattila (560): two real properties (three persons) were annexed to Lahti (398). Vihti (927): one real property (two persons) was annexed to Espoo (049). Kuopio (297): four real properties (two persons) were annexed to Rautavaara (687).
Changes on 1 January 2015 Kuopio (297) and Maaninka (476) merged. The name of the new municipality is Kuopio and the municipality code is 297. Pori (609) and Lavia (413) merged (forced merger). The name of the new municipality is Pori and the municipality code is 609. Lieto (423) and Tarvasjoki (838) merged (forced merger). The name of the new municipality is Lieto and the municipality code is 423.
Changes on 1 January 2013 Töysä (863) and Alavus (010) merged. The name of the new municipality is Alavus and the municipality code is 010. Kesälahti (248) and Kitee (260) merged. The name of the new municipality is Kitee and the municipality code is 260. Nilsiä (534) and Kuopio (297) merged. The name of the new municipality is Kuopio and the municipality code is 297. Karjalohja (223), Nummi-Pusula (540) and Lohja (444) merged. The name of the new municipality is Lohja and the municipality code is 444. Ristiina (696), Suomenniemi (775) and Mikkeli (491) merged. The name of the new municipality is Mikkeli and the municipality code is 491. Haukipudas (084), Kiiminki (255), Oulunsalo (567), Yli-Ii (972) and Oulu (564) merged. The name of the new municipality is Oulu and the municipality code is 564. Vihanti (926) and Raahe (678) merged. The name of the new municipality is Raahe and the municipality code is 678. Kiikoinen (254) and Sastamala (790) merged. The name of the new municipality is Sastamala and the municipality code is 790. Kerimäki (246), Punkaharju (618) and Savonlinna (740) merged. The name of the new municipality is Savonlinna and the municipality code is 740. Vähäkyrö (942) and Vaasa (905) merged. The name of the new municipality is Vaasa and the municipality code is 905.
Changes on 1 January 2012 Länsi-Turunmaa is named Parainen (445). The municipal number remains the same. Latest changes (1 January 2011): Akaa (020) and Kylmäkoski (310) merged. The name of the new municipality is Akaa and the municipality code is 020. Kangasala (211) and Kuhmalahti (289) merged. The name of the new municipality is Kangasala and the municipality code is 211. Kuopio (297) and Karttula (227) merged. The name of the new municipality is Kuopio and the municipality code is 297. Lapinlahti (402) and Varpaisjärvi (916) merged. The name of the new municipality is Lapinlahti and the municipality code is 402. Orimattila (560) and Artjärvi (015) merged. The name of the new municipality is Orimattila and the municipality code is 560. Vöyri-Maksamaa (945) and Oravainen (559) merged. The name of the new municipality is Vöyri and the municipality code is 946.
Changes on 1 January 2010: Himanka (095) and Kalajoki (208) merged. The name of the new municipality is Kalajoki and the municipality code is 208. Ylämaa (978) and Lappeenranta (405) merged. The name of the new municipality is Lappeenranta and the municipality code is 405. Loviisa (434), Liljendal (424), Pernaja (585) and Ruotsinpyhtää (791) merged. The name of the new municipality is Loviisa and the municipality code is 434. Noormarkku (537) and Pori (609) merged. The name of the new municipality is Pori and the municipality code is 609.
The municipal division is a classification compiled for national needs.
- The correspondence table between municipalities and regional state administrative agencies (AVI) in 2025
- The correspondence table between municipalities and centres for economic development, transport and the environment (ELY Centres) in 2025
- The correspondence table between municipalities and language distribution in 2025
- The correspondence table between municipalities and statistical grouping of municipalities in 2025.
- The correspondence table between municipalities and regions in 2025
- The correspondence table between municipalities and NUTS 1-3, Finland classification (official NUTS 2024) in 2025.
- The correspondence table between municipalities and major regions in 2025
- The correspondence table between municipalities and constituencies in 2025
- The correspondence table between municipalities and wellbeing services counties 2025.
- The correspondence table between municipalities and Employment areas in 2025
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