- Population
- 1,891
- 1.9K
- Elevation
- 110 m
- above sea level
- Local time
- UTC+02:00
- Europe/Helsinki · UTC+02:00
- Places inside
- 1
- listed under Isojoki
- Airports
- POR Pori Airport73 km
- VAA Vaasa Airport104 km
About Isojoki
Isojoki is a municipality. Location: Suupohja, South Ostrobothnia. Population: 1,891. Elevation: 110 m.
Isojoki (Swedish: Storå; lit. "Big River") is a municipality of Finland. It is part of the South Ostrobothnia region. The city of Pori is located 83 kilometres (52 mi) south of Isojoki. Neighbouring municipalities are Honkajoki, Karijoki, Kauhajoki, Kristinestad, Merikarvia and Siikainen. The population of Isojoki is 1,771 (31 December 2025). The municipality covers an area of 642.4 km2 (248.0 sq mi), of which 5.05 km2 (1.95 sq mi) is inland water (1 January 2018). The population density is 2.76/km2 (7.1/sq mi).
Source: Wikipedia · CC BY-SA 4.0
Travel notes for Isojoki
From Wikivoyage
Isojoki is a village in the Western Finland.
Understand+
With a population of 2,353 Isojoki is a small destination. In terms of interest to travellers, it's mainly a good base to explore the nearby Lauhanvuori National Park.
Get in+
Isojoki can be reached by public transport, but connections are few and depend on the day of the week. The most common option is a regional bus, for example via Kauhajoki or Kristinestad.
Source: Wikivoyage · CC BY-SA 4.0 · abridged
Places bordering Isojoki
- Kauhajoki
- Honkajoki
- Kankaanpää
- Karijoki
- Kristinestad
- Merikarvia
- Siikainen
Population of Isojoki over time
| 2010 | 2,400 | |
|---|---|---|
| 2011 | 2,354 | |
| 2012 | 2,290 | |
| 2013 | 2,257 | |
| 2014 | 2,241 | |
| 2015 | 2,123 | |
| 2016 | 2,079 | |
| 2017 | 2,032 | |
| 2020 | 1,925 | |
| 2022 | 1,852 | |
| 2023 | 1,814 | |
| 2025 | 1,771 |
Censuses and official estimates; source: Wikidata.
Climate of Isojoki
Best months for sightseeingBest months for sightseeing: June–August.
This month · November
A cold month
Day 2° · Night -3° · Rain 68 mm
- Hottest month
- July (day 21°)
- Coldest month
- February (night -11°)
- Wettest month
- August (77 mm)
- Driest month
- February (33 mm)
Bars: average monthly low and high temperature. Below: precipitation. Monthly averages for 1970–2000 at about 18 km resolution, adjusted for elevation. Highlighted months are mild and relatively dry. Source: WorldClim 2.1 (CC BY 4.0).
Show values as a table
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high (°C) | -3° | -3° | 1° | 7° | 14° | 19° | 21° | 20° | 14° | 7° | 2° | -1° |
| Average low (°C) | -9° | -11° | -8° | -2° | 3° | 8° | 11° | 9° | 5° | 2° | -3° | -7° |
| Precipitation (mm) | 47 | 33 | 38 | 36 | 33 | 57 | 74 | 77 | 72 | 66 | 68 | 58 |
How to get to Isojoki
The nearest airport is Pori Airport (POR), 73 km to the south as the crow flies. For international flights: Vaasa Airport (VAA) (104 km). The nearest large city is Umeå, 208 km to the northwest.
Airports
- Pori Airport (POR) Pori 73 kmsouth
- Vaasa Airport (VAA) Vaasa 104 kmnorth
- Tampere-Pirkkala Airport (TMP) Tampere / Pirkkala 119 kmsoutheast
Nearby large cities
- Umeå Population: 130.2K 208 kmnorthwest
- Tallinn Population: 394K 337 kmsoutheast
- Sollentuna Population: 139.6K 369 kmsouthwest
- Stockholm Population: 1.5M 375 kmsouthwest
Straight-line distances; road distances are longer. Airport data: OurAirports.
Day trips from Isojoki
Within 100 km: 1 historic or cultural site, 6 natural sites, 20 lakes, rivers and coasts.
0–25 km2 places
- Kangasjärvi Lake 7 kmNE
- Lauhanvuoren Kansallispuisto Natural site 14 kmE
25–60 km5 places
- Häädetkeidas Strict Nature Reserve Natural site 45 kmE
- Saantee Natural site 49 kmSW
- Isojärvi Lake 43 kmS
- Inhottujärvi Lake 57 kmS
60–100 km20 places
- Reposaari Island 61 kmSW
- Kari Island 91 kmE
- Vaskivesi Lake 94 kmE
- Nerkoonjärvi Lake 68 kmE
Straight-line distances.
Places in Isojoki
1 placeBar: population relative to the most populous place in this list.
Nearby attractions & nature
Everything nearby-
Kangasjärvi Lake, North Karelia6.6 km NE
-
Lauhanvuoren Kansallispuisto Natural site, South Ostrobothnia14 km E
Sources & licences
Data last updated: · 2 independent sources