Municipality · Southwest FinlandCoat of arms of Salo

Salo: population and statistics

Salo has a population of 50,339 (2025) across 1,989.9 km², or 25.3 people per km². It ranks 20 of 308 municipalities by population. Its population is falling: −6.6% between 2015 and 2025.

  • 50,339 residents
  • 1,989.9 km²
  • 25 people/km²
  • 9 m
Location map: Salo

Salo in numbers

Population
50,339
ranked 20 of 308
−6.6%over 10 years
2015–2025
Population density
25people/km²
ranked 77 of 302
Area
1,990km²
ranked 31 of 308
Elevation
9m
ranked 280 of 308
Business establishments
6,317no.
ranked 17 of 308
Total dwellings
29,921no.
ranked 20 of 308
Persons employed in the area (jobs)
18,356no.
ranked 23 of 308
Beds in accommodation establishments per 1,000 inhabitants
11.0/1,000 inh.
ranked 124 of 136

Key points

Among the 27 municipalities in Southwest Finland, Salo ranks No. 2 by population.

Largest business sector: Manufacturing, with 22.1% of the area's jobs.

A 1 kWp solar panel tilted at 44° generates about 934 kWh a year here.

Did you know?

Population of Salo over time

50,00051,00052,00053,00054,000201520172019202120232025
Population, 2015–2025

Salo had 53,890 residents in 2015 and 50,339 in 2025.

YearPopulation
202051,562
202151,400
202250,933
202351,100
202450,870
202550,339

All indicators for Salo

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

SaloNational medianHover over or tap a bar to see what it shows.

Population

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Share of people aged under 15 (2025)12.1%13.6%13.3%ranked 196 of 302
Share of people aged 65 and over (2025)30.3%24.4%31.2%ranked 170 of 302
Mean age of the population (2025)48.7 years44.548.5ranked 143 of 302
Share of Swedish speakers (2025)1.2%5.5%0.3%ranked 60 of 302
Share of foreign nationals (2025)6.8%7.9%3.4%ranked 43 of 302

Housing

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Total dwellings (2025)29,921 no.290,562 no.3,258,449 no.ranked 20 of 308
Share of dwellings built before 1940 (2025)9.7%–8.2%ranked 110 of 302
Share of dwellings built after 2000 (2025)17.4%–14.5%ranked 114 of 302
Share of dwellings in detached and semi-detached houses (2025)49.7%–64.5%ranked 247 of 302
Share of dwellings in blocks of flats (2025)28.1%–11.1%ranked 66 of 302
Share of dwellings not permanently occupied (2025)12.8%–16.9%ranked 217 of 302
Free-time residential buildings per 1,000 inhabitants (2025)123.0 /1,000 inh.96.5 /1,000 inh.186.3 /1,000 inh.ranked 187 of 302

Energy

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Share of residential buildings heated with district heating (2025)6.8%–3.9%ranked 86 of 302
Share of residential buildings heated with electricity (2025)41.0%–39.8%ranked 133 of 302
Share of residential buildings heated with geothermal heat (2025)5.9%–5.5%ranked 134 of 302
Share of residential buildings heated with oil or gas (2025)23.6%–17.1%ranked 62 of 302
Share of residential buildings heated with wood or peat (2025)22.3%–29.1%ranked 196 of 302

Economy

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Business establishments (2024)6,317 no.54,602 no.600,547 no.ranked 17 of 308
Business establishments per 1,000 inhabitants (2024)124.2 /1,000 inh.110.1 /1,000 inh.141.7 /1,000 inh.ranked 194 of 302
Median disposable cash income per consumption unit (2024)29,176 €/year–29,044 €/yearranked 140 of 302
Price per m² of old dwellings in housing companies (2025)1,361 €/m²–1,110 €/m²ranked 77 of 220
Active companies in the business register (excluding sole traders) (2026)3,185 per 1,000 inh.30,470 per 1,000 inh.335,854 per 1,000 inh.ranked 20 of 308
Active companies in the register per 1,000 inhabitants (excluding sole traders) (2026)63.3 per 1,000 inh.61.2 per 1,000 inh.53.9 per 1,000 inh.ranked 83 of 302
Companies registered in the last 12 months per 1,000 inhabitants (2026)3.5 per 1,000 inh.4.0 per 1,000 inh.2.7 per 1,000 inh.ranked 72 of 302

Employment

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Persons employed in the area (jobs) (2024)18,356 no.207,169 no.2,423,433 no.ranked 23 of 308
Unemployed as a share of the labour force (2024)11.6%11.0%10.8%ranked 120 of 302
Employment rate (aged 20–64) (2024)74.6%74.2%75.4%ranked 168 of 302

Tourism

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Beds in accommodation establishments per 1,000 inhabitants (2025)11.0 /1,000 inh.24.3 /1,000 inh.36.4 /1,000 inh.ranked 124 of 136

Transport

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Passenger cars per 1,000 inhabitants (2025)577 /1,000 inh.495 /1,000 inh.580 /1,000 inh.ranked 159 of 302

Society

IndicatorSaloSouthwest FinlandNationalPosition?Rank
At-risk-of-poverty rate (2024)14.4%14.8%14.3%ranked 143 of 302

Education

IndicatorSaloSouthwest FinlandNationalPosition?Rank
Share of people aged 15 and over with a tertiary-level qualification (2024)27.5%33.5%24.1%ranked 89 of 302

Business sectors: Salo

Share of each sector in total jobs; “×1.5” means the sector is 1.5 times more common than nationally.

Sunshine and temperatures: Salo

Annual solar output
934kWh
for 1 kWp tilted at 44°
Warmest month
18.1°C
July
Coldest month
−4.2°C
February
Most productive month
138kWh
May

0100200300−20°−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Where is Salo?

Frequently asked questions

What is the population of Salo?

Salo has 50,339 residents (2025), ranking 20 of 308 municipalities.

How big is Salo?

Salo covers 1,989.9 km², with a density of 25 people per km².

Is the population of Salo growing?

Between 2015 and 2025, the population of Salo went from 53,890 to 50,339, a change of −6.6%.

Where is Salo?

Salo is in Southwest Finland. Latitude 60.383, longitude 23.133.

Business establishments: what is the figure for Salo?

In Salo, “Business establishments” stands at 6,317 no. (2024), ranking 17 of 308 municipalities; the national median is 818 no..

Total dwellings: what is the figure for Salo?

In Salo, “Total dwellings” stands at 29,921 no. (2025), ranking 20 of 308 municipalities; the national median is 3,342 no..

How much electricity does a solar panel produce in Salo?

In Salo, a 1 kWp south-facing system tilted at 44° produces about 934 kWh a year.

Which municipalities border Salo?

The nearest to Salo are Sauvo (25 km), Marttila (26 km), Paimio (26 km), Koski Tl (30 km), Kimitoön (33 km).

Coat of arms: Pesasa; original design by Olof Eriksson, Public domain, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.