Municipality · KymenlaaksoCoat of arms of Kotka

Kotka: population and statistics

Kotka has a population of 50,029 (2025) across 272.1 km², or 184 people per km². It ranks 21 of 308 municipalities by population. Its population is falling: −7.9% between 2015 and 2025.

  • 50,029 residents
  • 272.1 km²
  • 184 people/km²
  • 1 m
Location map: Kotka

Kotka in numbers

Population
50,029
ranked 21 of 308
−7.9%over 10 years
2015–2025
Population density
184people/km²
ranked 19 of 302
Area
272km²
ranked 235 of 308
Elevation
1m
ranked 300 of 308
Business establishments per 1,000 inhabitants
75.2/1,000 inh.
ranked 299 of 302
Share of dwellings in blocks of flats
56.7%
ranked 12 of 302
Share of residential buildings heated with oil or gas
30.2%
ranked 19 of 302
Unemployed as a share of the labour force
16.0%
ranked 19 of 302

Key points

Among the 6 municipalities in Kymenlaakso, Kotka ranks No. 2 by population.

Business establishments per 1,000 inhabitants: 75.2 /1,000 inh. in Kotka, compared with an average of 92.0 /1,000 inh. in Kymenlaakso and 106.4 /1,000 inh. nationally.

Largest business sector: Health and social work, with 25.5% of the area's jobs.

A 1 kWp solar panel tilted at 44° generates about 965 kWh a year here.

Did you know?

Population of Kotka over time

50,00052,00054,00056,000201520172019202120232025
Population, 2015–2025

Kotka had 54,319 residents in 2015 and 50,029 in 2025.

YearPopulation
202051,668
202151,241
202250,617
202350,500
202450,210
202550,029

All indicators for Kotka

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.

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

Population

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Share of people aged under 15 (2025)11.4%11.6%13.3%ranked 220 of 302
Share of people aged 65 and over (2025)29.7%31.0%31.2%ranked 177 of 302
Mean age of the population (2025)48.1 years48.848.5ranked 161 of 302
Share of Swedish speakers (2025)0.9%0.7%0.3%ranked 66 of 302
Share of foreign nationals (2025)7.1%5.2%3.4%ranked 38 of 302

Housing

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Total dwellings (2025)31,449 no.97,135 no.3,258,449 no.ranked 19 of 308
Share of dwellings built before 1940 (2025)11.7%–8.2%ranked 81 of 302
Share of dwellings built after 2000 (2025)11.7%–14.5%ranked 192 of 302
Share of dwellings in detached and semi-detached houses (2025)30.9%–64.5%ranked 288 of 302
Share of dwellings in blocks of flats (2025)56.7%–11.1%ranked 12 of 302
Share of dwellings not permanently occupied (2025)12.3%–16.9%ranked 223 of 302
Free-time residential buildings per 1,000 inhabitants (2025)36.2 /1,000 inh.97.0 /1,000 inh.186.3 /1,000 inh.ranked 260 of 302

Energy

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Share of residential buildings heated with district heating (2025)18.8%–3.9%ranked 25 of 302
Share of residential buildings heated with electricity (2025)33.0%–39.8%ranked 262 of 302
Share of residential buildings heated with geothermal heat (2025)8.9%–5.5%ranked 67 of 302
Share of residential buildings heated with oil or gas (2025)30.2%–17.1%ranked 19 of 302
Share of residential buildings heated with wood or peat (2025)8.3%–29.1%ranked 276 of 302

Economy

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Business establishments (2024)3,778 no.14,497 no.600,547 no.ranked 27 of 308
Business establishments per 1,000 inhabitants (2024)75.2 /1,000 inh.92.0 /1,000 inh.141.7 /1,000 inh.ranked 299 of 302
Median disposable cash income per consumption unit (2024)28,658 €/year–29,044 €/yearranked 172 of 302
Price per m² of old dwellings in housing companies (2025)1,184 €/m²–1,110 €/m²ranked 99 of 220
Active companies in the business register (excluding sole traders) (2026)2,309 per 1,000 inh.7,039 per 1,000 inh.335,854 per 1,000 inh.ranked 29 of 308
Active companies in the register per 1,000 inhabitants (excluding sole traders) (2026)46.2 per 1,000 inh.45.1 per 1,000 inh.53.9 per 1,000 inh.ranked 222 of 302
Companies registered in the last 12 months per 1,000 inhabitants (2026)2.7 per 1,000 inh.2.5 per 1,000 inh.2.7 per 1,000 inh.ranked 143 of 302

Employment

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Persons employed in the area (jobs) (2024)21,142 no.58,589 no.2,423,433 no.ranked 21 of 308
Unemployed as a share of the labour force (2024)16.0%14.7%10.8%ranked 19 of 302
Employment rate (aged 20–64) (2024)68.1%70.2%75.4%ranked 279 of 302

Tourism

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Beds in accommodation establishments per 1,000 inhabitants (2025)24.4 /1,000 inh.19.0 /1,000 inh.36.4 /1,000 inh.ranked 86 of 136

Transport

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Passenger cars per 1,000 inhabitants (2025)497 /1,000 inh.552 /1,000 inh.580 /1,000 inh.ranked 284 of 302

Society

IndicatorKotkaKymenlaaksoNationalPosition?Rank
At-risk-of-poverty rate (2024)17.3%15.5%14.3%ranked 54 of 302

Education

IndicatorKotkaKymenlaaksoNationalPosition?Rank
Share of people aged 15 and over with a tertiary-level qualification (2024)29.4%27.9%24.1%ranked 69 of 302

Business sectors: Kotka

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

Sunshine and temperatures: Kotka

Annual solar output
965kWh
for 1 kWp tilted at 44°
Warmest month
18.0°C
July
Coldest month
−5.0°C
February
Most productive month
146kWh
July

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

Where is Kotka?

Frequently asked questions

What is the population of Kotka?

Kotka has 50,029 residents (2025), ranking 21 of 308 municipalities.

How big is Kotka?

Kotka covers 272.1 km², with a density of 184 people per km².

Is the population of Kotka growing?

Between 2015 and 2025, the population of Kotka went from 54,319 to 50,029, a change of −7.9%.

Where is Kotka?

Kotka is in Kymenlaakso. Latitude 60.467, longitude 26.946.

Business establishments per 1,000 inhabitants: what is the figure for Kotka?

In Kotka, “Business establishments per 1,000 inhabitants” stands at 75.2 /1,000 inh. (2024), ranking 299 of 302 municipalities; the national median is 141.7 /1,000 inh..

Share of dwellings in blocks of flats: what is the figure for Kotka?

In Kotka, “Share of dwellings in blocks of flats” stands at 56.7% (2025), ranking 12 of 302 municipalities; the national median is 11.1%.

How much electricity does a solar panel produce in Kotka?

In Kotka, a 1 kWp south-facing system tilted at 44° produces about 965 kWh a year.

Which municipalities border Kotka?

The nearest to Kotka are Hamina (18 km), Pyhtää (22 km), Loviisa (40 km), Virolahti (43 km), Lapinjärvi (44 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.