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 4,357 (31 December 2023) and covers an area of 356.91 square kilometres (137.80 sq mi) of which 2.79 km (1.08 sq mi) is water. The population density is 12.3 inhabitants per square kilometre (32/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.

Geography

There are 13,000 hectares (32,000 acres) of cultivated fields.

Isonkyrö's neighboring municipalities are Ilmajoki, Kauhava, Laihia, Seinäjoki, Vaasa and Vörå.

Localities:

• Tuurala

Notable people

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• Matti Haapoja (1845–1895), serial killer
• Kustaa Killinen (1849–1922), schoolteacher, writer and politician
• Matti Pohto (1817–1857), bookbinder and book collector
• Eino S. Repo (1919–2002), journalist and politician
• Ilmari Turja (1901–1998), journalist, playwright and lawyer
• Marjo Yli-Kiikka (born 1978), sports shooter

See also

• Levänluhta
• Isokyrö railway station
• Tervajoki railway station
• Battle of Napue