Isokyrö
| Isokyrö Storkyro | |
|---|---|
| Municipality | |
| Isokyrön kunta Storkyro kommun | |
| Isokyrö Church | |
| Location of Isokyrö in Finland | |
| Coordinates: 63°00′N 022°19′E / 63.000°N 22.317°E | |
| Country | Finland | 
| Region | South Ostrobothnia | 
| Sub-region | Seinäjoki | 
| Charter | 1785 | 
| Government | |
| • Municipality manager | Tero Kankaanpää | 
| Area  (2018-01-01) | |
|  • Total | 356.91 km2 (137.80 sq mi) | 
| • Land | 354.13 km2 (136.73 sq mi) | 
| • Water | 2.79 km2 (1.08 sq mi) | 
| • Rank | 216th largest in Finland | 
| Population  (2025-03-31) | |
|  • Total | 4,302 | 
| • Rank | 184th largest in Finland | 
| • Density | 12.15/km2 (31.5/sq mi) | 
| Population by native language | |
| • Finnish | 97.3% (official) | 
| • Swedish | 0.7% | 
| • Others | 2% | 
| Population by age | |
| • 0 to 14 | 16.1% | 
| • 15 to 64 | 55.4% | 
| • 65 or older | 28.5% | 
| Time zone | UTC+02:00 (EET) | 
| • Summer (DST) | UTC+03:00 (EEST) | 
| Website | www.isokyro.fi | 
Isokyrö (Finnish: [ˈisoˌkyrø]; Swedish: Storkyro) is a municipality of Finland. It is located in the South Ostrobothnia region, 43 kilometres (27 mi) from Vaasa. The municipality has a population of 4,302 (31 March 2025) and covers an area of 356.91 square kilometres (137.80 sq mi) of which 2.79 km2 (1.08 sq mi) is water. The population density is 12.15 inhabitants per square kilometre (31.5/sq mi).
In the name of the municipality, "iso" means big; "kyrö", on the other hand, is a Tavastian dialect and means a quarry, rocky or rugged terrain for hiding. The municipality is unilingually Finnish.
According to Traficom, Isokyrö is the most motorized municipality in Finland with 718 cars per thousand inhabitants.