Ilmajoki
- 📍 Location: South Ostrobothnia region,
Seinäjoki sub-region - 👥 Population (municipality): 12,405 (Dec 31, 2025)
- 🏛️ Founded:
- 📏 Area: 576.7 km² (land area)
- ⏰ Time zone: EET (UTC +2, DST EEST +3)
- đź’° Currency: Euro (EUR)
Answers to frequently asked questions
What is the population of Ilmajoki?
The population of Ilmajoki was 12,405 on Dec 31, 2025 (Statistics Finland), a change of +0.9% since 2020.
Which region is Ilmajoki in?
Ilmajoki is in the South Ostrobothnia region, Seinäjoki sub-region.
Is Ilmajoki a city?
No, Ilmajoki is a municipality without city status.
What are the official languages of Ilmajoki?
Official language: Finnish (a monolingual Finnish-speaking municipality). Swedish speakers make up 0.2% and speakers of other languages 2.0% of residents (Dec 31, 2025).
How many businesses are there in Ilmajoki?
Ilmajoki had 1,528 business establishments in 2024, including 86 retail outlets (Statistics Finland).
How large is Ilmajoki?
The land area is 576.7 km² and the population density 21.5 residents per km² (Dec 31, 2025).
How many people in Ilmajoki live in built-up areas?
77.7% of residents lived in built-up areas (taajama) in 2024; there are 4 such areas (Statistics Finland).


