Municipality · South KareliaCoat of arms of Luumäki

Luumäki: population and statistics

Luumäki has a population of 4,304 (2025) across 750.2 km², or 5.7 people per km². It ranks 182 of 308 municipalities by population. Its population is falling: −11.4% between 2015 and 2025.

  • 4,304 residents
  • 750.2 km²
  • 6 people/km²
  • 72 m
Location map: Luumäki

Luumäki in numbers

Population
4,304
ranked 182 of 308
−11.4%over 10 years
2015–2025
Population density
6people/km²
ranked 208 of 302
Area
750km²
ranked 112 of 308
Elevation
72m
ranked 171 of 308
Free-time residential buildings per 1,000 inhabitants
727.0/1,000 inh.
ranked 23 of 302
Price per m² of old dwellings in housing companies
669€/m²
ranked 190 of 220
Share of people aged under 15
10.9%
ranked 235 of 302
Passenger cars per 1,000 inhabitants
612/1,000 inh.
ranked 70 of 302

Key points

Among the 9 municipalities in South Karelia, Luumäki ranks No. 5 by population.

Free-time residential buildings per 1,000 inhabitants: 727.0 /1,000 inh. in Luumäki, compared with an average of 161.6 /1,000 inh. in South Karelia and 85.9 /1,000 inh. nationally.

Largest business sector: Health and social work, with 18.4% of the area's jobs.

A 1 kWp solar panel tilted at 44° generates about 886 kWh a year here.

Did you know?

Population of Luumäki over time

4,2004,4004,6004,8005,000201520172019202120232025
Population, 2015–2025

Luumäki had 4,860 residents in 2015 and 4,304 in 2025.

YearPopulation
20204,543
20214,473
20224,421
20234,396
20244,358
20254,304

All indicators for Luumäki

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.

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

Population

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Share of people aged under 15 (2025)10.9%11.8%13.3%ranked 235 of 302
Share of people aged 65 and over (2025)37.6%29.9%31.2%ranked 75 of 302
Mean age of the population (2025)52.2 years47.848.5ranked 70 of 302
Share of Swedish speakers (2025)0.4%0.2%0.3%ranked 103 of 302
Share of foreign nationals (2025)4.0%6.7%3.4%ranked 119 of 302

Housing

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Total dwellings (2025)2,860 no.77,224 no.3,258,449 no.ranked 169 of 308
Share of dwellings built before 1940 (2025)9.4%–8.2%ranked 118 of 302
Share of dwellings built after 2000 (2025)17.2%–14.5%ranked 118 of 302
Share of dwellings in detached and semi-detached houses (2025)61.2%–64.5%ranked 182 of 302
Share of dwellings in blocks of flats (2025)12.8%–11.1%ranked 138 of 302
Share of dwellings not permanently occupied (2025)18.4%–16.9%ranked 128 of 302
Free-time residential buildings per 1,000 inhabitants (2025)727.0 /1,000 inh.161.6 /1,000 inh.186.3 /1,000 inh.ranked 23 of 302

Energy

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Share of residential buildings heated with district heating (2025)2.8%–3.9%ranked 176 of 302
Share of residential buildings heated with electricity (2025)42.2%–39.8%ranked 121 of 302
Share of residential buildings heated with geothermal heat (2025)4.2%–5.5%ranked 197 of 302
Share of residential buildings heated with oil or gas (2025)17.2%–17.1%ranked 150 of 302
Share of residential buildings heated with wood or peat (2025)33.2%–29.1%ranked 110 of 302

Economy

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Business establishments (2024)708 no.12,571 no.600,547 no.ranked 167 of 308
Business establishments per 1,000 inhabitants (2024)162.5 /1,000 inh.100.4 /1,000 inh.141.7 /1,000 inh.ranked 94 of 302
Median disposable cash income per consumption unit (2024)29,034 €/year–29,044 €/yearranked 154 of 302
Price per m² of old dwellings in housing companies (2025)669 €/m²–1,110 €/m²ranked 190 of 220
Active companies in the business register (excluding sole traders) (2026)223 per 1,000 inh.5,249 per 1,000 inh.335,854 per 1,000 inh.ranked 185 of 308
Active companies in the register per 1,000 inhabitants (excluding sole traders) (2026)51.8 per 1,000 inh.42.3 per 1,000 inh.53.9 per 1,000 inh.ranked 168 of 302
Companies registered in the last 12 months per 1,000 inhabitants (2026)2.1 per 1,000 inh.2.4 per 1,000 inh.2.7 per 1,000 inh.ranked 215 of 302

Employment

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Persons employed in the area (jobs) (2024)1,150 no.46,362 no.2,423,433 no.ranked 189 of 308
Unemployed as a share of the labour force (2024)12.3%14.5%10.8%ranked 89 of 302
Employment rate (aged 20–64) (2024)74.4%69.0%75.4%ranked 175 of 302

Tourism

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Beds in accommodation establishments per 1,000 inhabitants (2025)43.7 /1,000 inh.53.3 /1,000 inh.36.4 /1,000 inh.ranked 62 of 136

Transport

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Passenger cars per 1,000 inhabitants (2025)612 /1,000 inh.538 /1,000 inh.580 /1,000 inh.ranked 70 of 302

Society

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
At-risk-of-poverty rate (2024)15.0%17.6%14.3%ranked 131 of 302

Education

IndicatorLuumäkiSouth KareliaNationalPosition?Rank
Share of people aged 15 and over with a tertiary-level qualification (2024)23.5%29.4%24.1%ranked 170 of 302

Business sectors: Luumäki

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

Sunshine and temperatures: Luumäki

Annual solar output
886kWh
for 1 kWp tilted at 44°
Warmest month
18.2°C
July
Coldest month
−6.0°C
February
Most productive month
132kWh
May

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

Where is Luumäki?

Frequently asked questions

What is the population of Luumäki?

Luumäki has 4,304 residents (2025), ranking 182 of 308 municipalities.

How big is Luumäki?

Luumäki covers 750.2 km², with a density of 6 people per km².

Is the population of Luumäki growing?

Between 2015 and 2025, the population of Luumäki went from 4,860 to 4,304, a change of −11.4%.

Where is Luumäki?

Luumäki is in South Karelia. Latitude 60.917, longitude 27.567.

Free-time residential buildings per 1,000 inhabitants: what is the figure for Luumäki?

In Luumäki, “Free-time residential buildings per 1,000 inhabitants” stands at 727.0 /1,000 inh. (2025), ranking 23 of 302 municipalities; the national median is 186.3 /1,000 inh..

Price per m² of old dwellings in housing companies: what is the figure for Luumäki?

In Luumäki, “Price per m² of old dwellings in housing companies” stands at 669 €/m² (2025), ranking 190 of 220 municipalities; the national median is 1,110 €/m².

How much electricity does a solar panel produce in Luumäki?

In Luumäki, a 1 kWp south-facing system tilted at 44° produces about 886 kWh a year.

Which municipalities border Luumäki?

The nearest to Luumäki are Lemi (21 km), Miehikkälä (28 km), Savitaipale (32 km), Lappeenranta (37 km), Virolahti (38 km).

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