RegionCoat of arms of Ostrobothnia

Ostrobothnia: municipalities in numbers

Ostrobothnia (region) has 14 municipalities and 179,555 residents across 7,403 km², or 24 people per km². Population: +1.5% between 2015 and 2025.

  • 179,555 residents
  • 14 municipalities
  • 7,403 km²
  • 24 people/km²
Location map: Ostrobothnia

Map and records: Ostrobothnia

All municipalities in Ostrobothnia

Click a column heading to sort the table.

MunicipalityPopulationPopulation change over 10 yearsPopulation densityAreaShare of people aged under 15Share of people aged 65 and over
Vaasa71,209+5.3%195.2 people/km²364.9 km²13.7%20.5%
Korsholm19,792+2.5%23.3 people/km²849.5 km²18.1%23.7%
Jakobstad19,657+1.1%222.4 people/km²88.4 km²14.4%25.9%
Pedersöre11,289+1.4%14.2 people/km²794.2 km²22.2%19.6%
Närpes9,538+1.6%9.8 people/km²977.9 km²15.5%28.0%
Laihia7,534−6.9%14.9 people/km²505.2 km²16.5%25.8%
Nykarleby7,391−2.3%10.1 people/km²732.9 km²17.1%26.5%
Kronoby6,268−6.2%8.8 people/km²713.0 km²15.6%27.7%
Vörå6,185−7.9%7.9 people/km²782.1 km²16.2%28.9%
Kristinestad6,113−10.0%8.9 people/km²683.2 km²12.3%38.4%
Larsmo5,955+15.7%41.7 people/km²142.9 km²29.8%14.4%
Malax5,392−2.8%10.3 people/km²522.1 km²14.8%30.0%
Korsnäs1,984−9.9%8.4 people/km²236.2 km²13.0%31.4%
Kaskinen1,248−2.9%117.3 people/km²10.6 km²13.1%40.1%

Ostrobothnia compared with the national figures

Population-weighted averages for rates; totals for counts.

IndicatorOstrobothniaFinland
Share of people aged under 1515.8%14.3%
Share of people aged 65 and over23.7%23.8%
Mean age of the population43.3 years44.1 years
Share of Swedish speakers49.1%5.0%
Share of foreign nationals8.9%7.7%
Total dwellings97,366 no.3,258,449 no.
Free-time residential buildings per 1,000 inhabitants116.2 /1,000 inh.85.9 /1,000 inh.
Business establishments21,770 no.600,547 no.
Business establishments per 1,000 inhabitants121.5 /1,000 inh.106.4 /1,000 inh.
Persons employed in the area (jobs)81,307 no.2,423,433 no.
Unemployed as a share of the labour force7.0%11.7%
Employment rate (aged 20–64)79.2%73.7%
At-risk-of-poverty rate13.1%14.2%
Share of people aged 15 and over with a tertiary-level qualification32.7%34.2%
Beds in accommodation establishments per 1,000 inhabitants23.6 /1,000 inh.38.9 /1,000 inh.
Passenger cars per 1,000 inhabitants551 /1,000 inh.480 /1,000 inh.
Active companies in the business register (excluding sole traders)10,317 per 1,000 inh.335,854 per 1,000 inh.
Active companies in the register per 1,000 inhabitants (excluding sole traders)57.5 per 1,000 inh.59.4 per 1,000 inh.
Companies registered in the last 12 months per 1,000 inhabitants3.4 per 1,000 inh.4.1 per 1,000 inh.

Frequently asked questions

How many municipalities are there in Ostrobothnia?

Ostrobothnia has 14 municipalities. The most populous is Vaasa, with 71,209 residents.

What is the population of Ostrobothnia?

Ostrobothnia has 179,555 residents (2025), or 24 people per km².

Which municipality in Ostrobothnia is growing fastest?

Larsmo has the fastest growth in Ostrobothnia over 10 years: +15.7%.

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