# Seinäjoki

> city in the region of Southern Ostrobothnia in Finland

**Wikidata**: [Q6157](https://www.wikidata.org/wiki/Q6157)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seinäjoki)  
**Source**: https://4ort.xyz/entity/seinajoki

## Key Facts
- **Entity Type**: City, Municipality of Finland
- **Location**: South Ostrobothnia region, Finland (formerly Southern Ostrobothnia)
- **Inception**: 1868
- **Population**: 66,271 (as of February 29, 2024)
- **Area**: 1,469.22 km² total (1,431.77 km² land, 37.45 km² water) as of Jan 1, 2023
- **Coordinates**: 62.79°N, 22.84°E
- **Official Language**: Finnish
- **Timezone**: UTC+02:00 (Standard) / UTC+03:00 (Daylight Saving)
- **Capital of**: South Ostrobothnia
- **UN/LOCODE**: FISJY
- **Mayors**: Jaakko Kiiskilä (2020–Present), Jorma Rasinmäki (2005–2020), Mikko Pukkinen (1999–2005), Raimo Yli-Uotila (1992–1999), Matti Nuolivirta (1974–1992), Olavi Piha (1955–1974)
- **Mergers**: Absorbed Peräseinäjoki (2005), Nurmo (2009), and Ylistaro (2009)
- **Bordering Municipalities**: Alavus, Ilmajoki, Isokyrö, Jalasjärvi, Kauhava, Kihniö, Kuortane, Lapua, Virrat, Kurikka
- **Elevation**: 75 meters above sea level
- **Sister Cities**: Koszalin (Poland), Sopron (Hungary), Schweinfurt (Germany), Veliky Novgorod (Russia), Thunder Bay (Canada), Jiangjin District (China), Rudong County (China), Changsha (China), Jianyang (China), Qingdao (China)
- **Postal Code**: 60100
- **Local Dialing Code**: 06
- **Climate**: Continental subarctic climate
- **Website**: https://www.seinajoki.fi/

## FAQs
**What is the population of Seinäjoki?**
As of February 29, 2024, Seinäjoki has a population of 66,271. The city has experienced significant growth, nearly doubling its population from 30,290 in 2000 to over 66,000 in 2024, largely due to municipal mergers.

**Where is Seinäjoki located?**
Seinäjoki is located in the South Ostrobothnia region of Western Finland. It is situated inland, approximately at coordinates 62.79°N, 22.84°E, and serves as the capital of the South Ostrobothnia region.

**Who is the current mayor of Seinäjoki?**
The current mayor of Seinäjoki is Jaakko Kiiskilä, who has held the position since September 1, 2020. His predecessor was Jorma Rasinmäki, who served from 2005 to 2020.

**What is the history of Seinäjoki's formation?**
Seinäjoki was officially founded in 1868 as a town, later achieving city status on January 1, 1960. It expanded significantly through the mergers with Peräseinäjoki in 2005, and with Nurmo and Ylistaro in 2009.

**What are the administrative divisions of Seinäjoki?**
Seinäjoki is a municipality of Finland, the legal form of the city. The legislative body is the Seinäjoki City Council.

**What are the major landmarks or cultural aspects of Seinäjoki?**
Notable landmarks include the Lakeuden Risti Church. The city also owns the Seinäjoen keskuskenttä (central sports field).

## Why It Matters
Seinäjoki is a significant urban center in Western Finland, acting as the administrative, economic, and cultural heart of the South Ostrobothnia region. Its importance is underscored by its designation as the regional capital and its steady population growth, which has been strategically managed through key municipal mergers in 2005 and 2009. This consolidation has transformed it into a larger, more influential city capable of providing centralized services and infrastructure to a wider surrounding area. The city's extensive network of international sister city agreements, spanning Europe, Asia, and North America, highlights its commitment to global cooperation and cultural exchange, further cementing its role as a modern, outward-looking Finnish municipality.

## Notable For
- Being the **capital of the South Ostrobothnia region**, serving as the primary administrative hub.
- Achieving **significant population growth** through strategic municipal mergers with Peräseinäjoki, Nurmo, and Ylistaro, increasing its population from around 30,000 in the late 1990s to over 66,000 by 2024.
- The presence of the **Lakeuden Risti Church**, a prominent architectural landmark depicted in its official images.
- A strong **international profile**, with active sister city relationships across ten cities in Europe, Asia, and North America.
- Being classified as having a **continental subarctic climate**, a distinctive meteorological feature of the region.
- **Extensive social media presence**, including a verified YouTube channel with hundreds of thousands of views.

## Body

### Geography and Climate
Seinäjoki is situated in Western Finland within the South Ostrobothnia region. Its total area covers 1,469.22 square kilometers, of which 1,431.77 km² is land and 37.45 km² is water, as recorded on January 1, 2023. The city's elevation is 75 meters above sea level. Geographically, it is positioned at approximately 62.79°N latitude and 22.84°E longitude. The city's climate is classified as a continental subarctic climate, experiencing distinct seasonal variations with UTC+02:00 for standard time and UTC+03:00 for daylight saving time.

Seinäjoki shares its borders with ten neighboring municipalities: Alavus, Ilmajoki, Isokyrö, Jalasjärvi, Kauhava, Kihniö, Kuortane, Lapua, Virrat, and Kurikka. The city is also located in or next to a body of water named Seinäjoki.

### Demographics and Administration
The population of Seinäjoki has shown a consistent upward trajectory. Key population milestones include:
- 30,290 (Dec 31, 2000)
- 36,409 (Dec 31, 2005) – following the merger with Peräseinäjoki.
- 57,024 (Dec 31, 2009) – following the mergers with Nurmo and Ylistaro.
- 64,150 (Dec 31, 2020)
- 66,160 (Dec 31, 2023)
- 66,271 (Feb 29, 2024) – the most recent preferred figure.

The city's legislative body is the Seinäjoki City Council. Administratively, Seinäjoki has evolved from being part of the historical Vaasa Province (until 1993) and the Seinäjoki sub-region (1994-2013) to its current status within the South Ostrobothnia region starting in 2014. The Finnish municipality number assigned to Seinäjoki is 743.

### Governance and Leadership
Seinäjoki has been led by a series of mayors, each contributing to its development:
- **Olavi Piha** (1955–1974)
- **Matti Nuolivirta** (1974–1992)
- **Raimo Yli-Uotila** (1992–1999)
- **Mikko Pukkinen** (1999–2005)
- **Jorma Rasinmäki** (2005–2020)
- **Jaakko Kiiskilä** (2020–Present)

The city is a municipality of Finland, with its official name being *Seinäjoen kaupunki*. It was originally founded in 1868 and was officially designated a city on January 1, 1960.

### International Relations
Seinäjoki maintains a robust network of sister city relationships, fostering international cooperation and cultural exchange:
- **Schweinfurt, Germany** (since 1974)
- **Thunder Bay, Canada** (since 1974)
- **Koszalin, Poland** (since 1987)
- **Sopron, Hungary**
- **Veliky Novgorod, Russia** (since 2016)
- **Jiangjin District, China** (since 2017)
- **Rudong County, China** (since 2017)
- **Changsha, China** (since 2017)
- **Jianyang, China** (since 2018)
- **Qingdao, China**

### Infrastructure and Digital Presence
The city is well-connected and digitally active. Key identifiers and contact points include:
- **Postal Code**: 60100
- **Local Dialing Code**: 06
- **UN/LOCODE**: FISJY
- **Official Website**: https://www.seinajoki.fi/ (Available in Finnish, Swedish, and English)
- **Social Media**: The city maintains active profiles on Twitter (@Sjkkaupunki), Facebook (sjkkaupunki), Instagram (sjkkaupunki), TikTok (@seinajoki_official), and LinkedIn (city-of-seinajoki).
- **YouTube**: Official channel "seinajoenkaupunki" (ID: UCKzplU4FZoAcXl7HpIsHZvg), which had accrued 442,806 views by June 29, 2025.

### Culture and Landmarks
A prominent landmark in Seinäjoki is the **Lakeuden Risti Church**, which is featured in the city's preferred image on its knowledge base entry. The city also owns the **Seinäjoen keskuskenttä**, a central sports field. Seinäjoki has a coat of arms and an official logo, reflecting its civic identity.

### Historical and Political Context
Seinäjoki's political history is tied to the broader history of Finland. It was part of the Russian Empire from its inception in 1868 until Finnish independence on December 6, 1917, after which it became part of the nation of Finland. The city's electoral district is Vaasa. Over time, its regional affiliation has shifted from Vaasa Province to the Seinäjoki sub-region, and finally to South Ostrobothnia.

## References

1. [Source](http://www.stat.fi/meta/luokitukset/kunta/001-2012/luokitusavain_ks.html)
2. The correspondence table between municipalities and language distribution in 2024
3. [Source](https://www.stat.fi/org/avoindata/paikkatietoaineistot/kuntapohjaiset_tilastointialueet.html)
4. [Kaupunkien ja kuntien lukumäärät ja väestötiedot. Association of Finnish Municipalities](https://www.kuntaliitto.fi/tilastot-ja-julkaisut/kaupunkien-ja-kuntien-lukumaarat)
5. [Source](https://www.koszalin.pl/pl/page/miasta-partnerskie)
6. [Ystävyys- ja yhteistyökaupungit. Seinäjoki](https://www.seinajoki.fi/hallinto/kansainvalinen-seinajoki/ystavyyskaupungit/#f1b5f17b)
7. Freebase Data Dumps. 2013
8. MusicBrainz
9. [Source](http://vrk.fi/default.aspx?docid=8517&site=3&id=0)
10. Population structure
11. [Väestörakenteen ennakkotiedot. Statistics Finland](http://pxnet2.stat.fi/PXWeb/pxweb/fi/StatFin/StatFin__vrm__vamuu/statfin_vamuu_pxt_11lj.px/table/tableViewLayout1/)
12. [Finland's preliminary population figure was 5,608,218 at the end of February 2024. Statistics Finland](https://www.stat.fi/en/publication/clmj0tpyw5zwb0bw6j2adrg4f)
13. [Population growth biggest in nearly 70 years. Statistics Finland](https://stat.fi/en/publication/cln1i2dtgwknt0cut9yem67se)
14. Global LEI Index
15. GeoNames
16. [Source](https://service.unece.org/trade/locode/fi.htm)
17. Area of Finland's municipalities 2023-01-01
18. Quora
19. [Source](https://www.govdirectory.org/finland/)
20. YouTube API
21. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
22. [Kuntien ja seutukuntien vuoden 2024 välinen luokitusavain. Statistics Finland](https://www.tilastokeskus.fi/fi/luokitukset/corrmaps/kunta_1_20240101%23seutukunta_1_20240101/)
23. National Library of Israel Names and Subjects Authority File
24. kuntalaisaloite.fi