City profile · Finland · Europe
Seinäjoki
South Ostrobothnia · Finland
City population
66,848
#16
in Finland
#1
in South Ostrobothnia
#8,607
worldwide
62.794, 22.828 · 313 km from Helsinki
About Seinäjoki
Seinäjoki is a city in South Ostrobothnia, Finland with a population of 66,848. It is the 16th largest of the 78 cities of 15,000 or more listed in Finland, and the 8,607th largest worldwide. It lies 313 km from Helsinki.
Key Facts
Country
Region
South Ostrobothnia
Rank in region
#1of 3
Coordinates
62.794, 22.828
Record updated
18 November 2025
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 78 in FinlandClosest listed cities by great-circle distance from the city centre.