Municipality · Southwest FinlandCoat of arms of Nousiainen

Nousiainen: population and statistics

Nousiainen has a population of 4,667 (2025) across 199.0 km², or 23.5 people per km². It ranks 173 of 308 municipalities by population. Its population is falling: −4.0% between 2015 and 2025.

  • 4,667 residents
  • 199.0 km²
  • 24 people/km²
  • 20 m
Location map: Nousiainen

Nousiainen in numbers

Population
4,667
ranked 173 of 308
−4.0%over 10 years
2015–2025
Population density
24people/km²
ranked 78 of 302
Area
199km²
ranked 259 of 308
Elevation
20m
ranked 236 of 308
At-risk-of-poverty rate
7.3%
ranked 289 of 302
Employment rate (aged 20–64)
83.4%
ranked 18 of 302
Share of dwellings in detached and semi-detached houses
77.4%
ranked 24 of 302
Median disposable cash income per consumption unit
32,869€/year
ranked 32 of 302

Key points

Among the 27 municipalities in Southwest Finland, Nousiainen ranks No. 18 by population.

At-risk-of-poverty rate: 7.3% in Nousiainen, compared with an average of 14.8% in Southwest Finland and 14.2% nationally.

Employment rate (aged 20–64): 83.4% in Nousiainen, compared with an average of 74.2% in Southwest Finland and 73.7% nationally.

Largest business sector: Health and social work, with 16.9% of the area's jobs.

A 1 kWp solar panel tilted at 44° generates about 969 kWh a year here.

Did you know?

Population of Nousiainen over time

4,6004,7004,8004,900201520172019202120232025
Population, 2015–2025

Nousiainen had 4,859 residents in 2015 and 4,667 in 2025.

YearPopulation
20204,693
20214,689
20224,644
20234,695
20244,659
20254,667

All indicators for Nousiainen

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.

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

Population

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Share of people aged under 15 (2025)17.1%13.6%13.3%ranked 43 of 302
Share of people aged 65 and over (2025)22.0%24.4%31.2%ranked 262 of 302
Mean age of the population (2025)43.4 years44.548.5ranked 251 of 302
Share of Swedish speakers (2025)0.9%5.5%0.3%ranked 66 of 302
Share of foreign nationals (2025)3.1%7.9%3.4%ranked 165 of 302

Housing

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Total dwellings (2025)2,220 no.290,562 no.3,258,449 no.ranked 196 of 308
Share of dwellings built before 1940 (2025)11.8%–8.2%ranked 78 of 302
Share of dwellings built after 2000 (2025)27.6%–14.5%ranked 52 of 302
Share of dwellings in detached and semi-detached houses (2025)77.4%–64.5%ranked 24 of 302
Share of dwellings in blocks of flats (2025)9.3%–11.1%ranked 170 of 302
Share of dwellings not permanently occupied (2025)10.7%–16.9%ranked 250 of 302
Free-time residential buildings per 1,000 inhabitants (2025)63.4 /1,000 inh.96.5 /1,000 inh.186.3 /1,000 inh.ranked 226 of 302

Energy

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Share of residential buildings heated with district heating (2025)0.9%–3.9%ranked 260 of 302
Share of residential buildings heated with electricity (2025)40.0%–39.8%ranked 149 of 302
Share of residential buildings heated with geothermal heat (2025)8.4%–5.5%ranked 79 of 302
Share of residential buildings heated with oil or gas (2025)27.0%–17.1%ranked 35 of 302
Share of residential buildings heated with wood or peat (2025)23.2%–29.1%ranked 190 of 302

Economy

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Business establishments (2024)575 no.54,602 no.600,547 no.ranked 197 of 308
Business establishments per 1,000 inhabitants (2024)123.4 /1,000 inh.110.1 /1,000 inh.141.7 /1,000 inh.ranked 195 of 302
Median disposable cash income per consumption unit (2024)32,869 €/year–29,044 €/yearranked 32 of 302
Price per m² of old dwellings in housing companies (2025)1,659 €/m²–1,110 €/m²ranked 51 of 220
Active companies in the business register (excluding sole traders) (2026)202 per 1,000 inh.30,470 per 1,000 inh.335,854 per 1,000 inh.ranked 193 of 308
Active companies in the register per 1,000 inhabitants (excluding sole traders) (2026)43.3 per 1,000 inh.61.2 per 1,000 inh.53.9 per 1,000 inh.ranked 249 of 302
Companies registered in the last 12 months per 1,000 inhabitants (2026)3.2 per 1,000 inh.4.0 per 1,000 inh.2.7 per 1,000 inh.ranked 106 of 302

Employment

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Persons employed in the area (jobs) (2024)949 no.207,169 no.2,423,433 no.ranked 207 of 308
Unemployed as a share of the labour force (2024)6.1%11.0%10.8%ranked 277 of 302
Employment rate (aged 20–64) (2024)83.4%74.2%75.4%ranked 18 of 302

Transport

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Passenger cars per 1,000 inhabitants (2025)625 /1,000 inh.495 /1,000 inh.580 /1,000 inh.ranked 40 of 302

Society

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
At-risk-of-poverty rate (2024)7.3%14.8%14.3%ranked 289 of 302

Education

IndicatorNousiainenSouthwest FinlandNationalPosition?Rank
Share of people aged 15 and over with a tertiary-level qualification (2024)28.2%33.5%24.1%ranked 81 of 302

Business sectors: Nousiainen

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

Sunshine and temperatures: Nousiainen

Annual solar output
969kWh
for 1 kWp tilted at 44°
Warmest month
18.0°C
July
Coldest month
−3.6°C
February
Most productive month
144kWh
May

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

Where is Nousiainen?

Frequently asked questions

What is the population of Nousiainen?

Nousiainen has 4,667 residents (2025), ranking 173 of 308 municipalities.

How big is Nousiainen?

Nousiainen covers 199.0 km², with a density of 24 people per km².

Is the population of Nousiainen growing?

Between 2015 and 2025, the population of Nousiainen went from 4,859 to 4,667, a change of −4.0%.

Where is Nousiainen?

Nousiainen is in Southwest Finland. Latitude 60.599, longitude 22.083.

At-risk-of-poverty rate: what is the figure for Nousiainen?

In Nousiainen, “At-risk-of-poverty rate” stands at 7.3% (2024), ranking 289 of 302 municipalities; the national median is 14.3%.

Employment rate (aged 20–64): what is the figure for Nousiainen?

In Nousiainen, “Employment rate (aged 20–64)” stands at 83.4% (2024), ranking 18 of 302 municipalities; the national median is 75.4%.

How much electricity does a solar panel produce in Nousiainen?

In Nousiainen, a 1 kWp south-facing system tilted at 44° produces about 969 kWh a year.

Which municipalities border Nousiainen?

The nearest to Nousiainen are Masku (3.2 km), Rusko (9.9 km), Mynämäki (10 km), Raisio (13 km), Naantali (15 km).

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