Municipality · Central FinlandCoat of arms of Jämsä

Jämsä: population and statistics

Jämsä has a population of 19,020 (2025) across 1,571.4 km², or 12.1 people per km². It ranks 62 of 308 municipalities by population. Its population is falling: −11.7% between 2015 and 2025.

  • 19,020 residents
  • 1,571.4 km²
  • 12 people/km²
  • 85 m
Location map: Jämsä

Jämsä in numbers

Population
19,020
ranked 62 of 308
−11.7%over 10 years
2015–2025
Population density
12people/km²
ranked 128 of 302
Area
1,571km²
ranked 40 of 308
Elevation
85m
ranked 141 of 308
Share of Swedish speakers
0.1%
ranked 222 of 302
Beds in accommodation establishments per 1,000 inhabitants
237.5/1,000 inh.
ranked 16 of 136
Unemployed as a share of the labour force
14.2%
ranked 40 of 302
Total dwellings
12,374no.
ranked 46 of 308

Key points

Among the 22 municipalities in Central Finland, Jämsä ranks No. 2 by population.

Share of Swedish speakers: 0.1% in Jämsä, compared with an average of 0.2% in Central Finland and 5.0% nationally.

Beds in accommodation establishments per 1,000 inhabitants: 237.5 /1,000 inh. in Jämsä, compared with an average of 43.5 /1,000 inh. in Central Finland and 38.9 /1,000 inh. nationally.

Largest business sector: Manufacturing, with 26.7% of the area's jobs.

A 1 kWp solar panel tilted at 44° generates about 864 kWh a year here.

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Population of Jämsä over time

19,00020,00021,00022,000201520172019202120232025
Population, 2015–2025

Jämsä had 21,542 residents in 2015 and 19,020 in 2025.

YearPopulation
202019,887
202119,767
202219,347
202319,182
202419,116
202519,020

All indicators for Jämsä

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.

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

Population

IndicatorJämsäCentral FinlandNationalPosition?Rank
Share of people aged under 15 (2025)10.8%13.9%13.3%ranked 239 of 302
Share of people aged 65 and over (2025)36.0%25.4%31.2%ranked 93 of 302
Mean age of the population (2025)51.6 years44.648.5ranked 83 of 302
Share of Swedish speakers (2025)0.1%0.2%0.3%ranked 222 of 302
Share of foreign nationals (2025)3.9%4.2%3.4%ranked 123 of 302

Housing

IndicatorJämsäCentral FinlandNationalPosition?Rank
Total dwellings (2025)12,374 no.164,402 no.3,258,449 no.ranked 46 of 308
Share of dwellings built before 1940 (2025)6.2%–8.2%ranked 186 of 302
Share of dwellings built after 2000 (2025)9.7%–14.5%ranked 238 of 302
Share of dwellings in detached and semi-detached houses (2025)51.3%–64.5%ranked 241 of 302
Share of dwellings in blocks of flats (2025)29.4%–11.1%ranked 63 of 302
Share of dwellings not permanently occupied (2025)16.6%–16.9%ranked 155 of 302
Free-time residential buildings per 1,000 inhabitants (2025)221.8 /1,000 inh.112.6 /1,000 inh.186.3 /1,000 inh.ranked 132 of 302

Energy

IndicatorJämsäCentral FinlandNationalPosition?Rank
Share of residential buildings heated with district heating (2025)7.4%–3.9%ranked 79 of 302
Share of residential buildings heated with electricity (2025)37.1%–39.8%ranked 199 of 302
Share of residential buildings heated with geothermal heat (2025)7.8%–5.5%ranked 90 of 302
Share of residential buildings heated with oil or gas (2025)19.7%–17.1%ranked 106 of 302
Share of residential buildings heated with wood or peat (2025)28.0%–29.1%ranked 159 of 302

Economy

IndicatorJämsäCentral FinlandNationalPosition?Rank
Business establishments (2024)2,306 no.28,724 no.600,547 no.ranked 48 of 308
Business establishments per 1,000 inhabitants (2024)120.6 /1,000 inh.104.6 /1,000 inh.141.7 /1,000 inh.ranked 203 of 302
Median disposable cash income per consumption unit (2024)29,066 €/year–29,044 €/yearranked 150 of 302
Price per m² of old dwellings in housing companies (2025)825 €/m²–1,110 €/m²ranked 156 of 220
Active companies in the business register (excluding sole traders) (2026)874 per 1,000 inh.12,966 per 1,000 inh.335,854 per 1,000 inh.ranked 64 of 308
Active companies in the register per 1,000 inhabitants (excluding sole traders) (2026)46.0 per 1,000 inh.47.4 per 1,000 inh.53.9 per 1,000 inh.ranked 225 of 302
Companies registered in the last 12 months per 1,000 inhabitants (2026)2.6 per 1,000 inh.3.5 per 1,000 inh.2.7 per 1,000 inh.ranked 155 of 302

Employment

IndicatorJämsäCentral FinlandNationalPosition?Rank
Persons employed in the area (jobs) (2024)6,502 no.106,247 no.2,423,433 no.ranked 62 of 308
Unemployed as a share of the labour force (2024)14.2%14.4%10.8%ranked 40 of 302
Employment rate (aged 20–64) (2024)70.9%70.1%75.4%ranked 250 of 302

Tourism

IndicatorJämsäCentral FinlandNationalPosition?Rank
Beds in accommodation establishments per 1,000 inhabitants (2025)237.5 /1,000 inh.43.5 /1,000 inh.36.4 /1,000 inh.ranked 16 of 136

Transport

IndicatorJämsäCentral FinlandNationalPosition?Rank
Passenger cars per 1,000 inhabitants (2025)590 /1,000 inh.489 /1,000 inh.580 /1,000 inh.ranked 118 of 302

Society

IndicatorJämsäCentral FinlandNationalPosition?Rank
At-risk-of-poverty rate (2024)15.0%17.3%14.3%ranked 131 of 302

Education

IndicatorJämsäCentral FinlandNationalPosition?Rank
Share of people aged 15 and over with a tertiary-level qualification (2024)24.3%32.5%24.1%ranked 146 of 302

Business sectors: Jämsä

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

Sunshine and temperatures: Jämsä

Annual solar output
864kWh
for 1 kWp tilted at 44°
Warmest month
17.6°C
July
Coldest month
−6.0°C
January
Most productive month
131kWh
May

050100150200−20°−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Where is Jämsä?

Frequently asked questions

What is the population of Jämsä?

Jämsä has 19,020 residents (2025), ranking 62 of 308 municipalities.

How big is Jämsä?

Jämsä covers 1,571.4 km², with a density of 12 people per km².

Is the population of Jämsä growing?

Between 2015 and 2025, the population of Jämsä went from 21,542 to 19,020, a change of −11.7%.

Where is Jämsä?

Jämsä is in Central Finland. Latitude 61.864, longitude 25.190.

Share of Swedish speakers: what is the figure for Jämsä?

In Jämsä, “Share of Swedish speakers” stands at 0.1% (2025), ranking 222 of 302 municipalities; the national median is 0.3%.

Beds in accommodation establishments per 1,000 inhabitants: what is the figure for Jämsä?

In Jämsä, “Beds in accommodation establishments per 1,000 inhabitants” stands at 237.5 /1,000 inh. (2025), ranking 16 of 136 municipalities; the national median is 36.4 /1,000 inh..

How much electricity does a solar panel produce in Jämsä?

In Jämsä, a 1 kWp south-facing system tilted at 44° produces about 864 kWh a year.

Which municipalities border Jämsä?

The nearest to Jämsä are Luhanka (28 km), Kuhmoinen (33 km), Mänttä-Vilppula (35 km), Muurame (39 km), Juupajoki (44 km).

Coat of arms: User:Care; Original design by Gustaf von Numers., Public domain, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.