Location map: Martigny
Municipality · District de Martigny · Valais

Martigny: population and statistics

Martigny has a population of 22,513 (2025) across 25.0 km², or 900 people per km². It ranks 46 of 2,115 municipalities by population. Its population is growing: +16.5% between 2015 and 2025.

  • 22,513 residents
  • 25.0 km²
  • 900 people/km²
  • 478 m

Key points

Among the 122 municipalities in Valais, Martigny ranks No. 2 by population.

A 1 kWp solar panel tilted at 37° generates about 1,265 kWh a year here.

Martigny in numbers

Population
22,513
ranked 46 of 2,115
+16.5%over 10 years
2015–2025
Population density
900people/km²
ranked 289 of 1,806
Area
25.0km²
ranked 347 of 2,110
Elevation
478m
ranked 1,266 of 2,114
Rooftop solar electricity potential
161.1GWh/year
ranked 25 of 2,114
Entities listed in the commercial register
2,639
ranked 26 of 2,115
Dwellings
11,987
ranked 45 of 2,108
Jobs
15,473
ranked 52 of 2,111

Where is Martigny?

Population of Martigny over time

19,00020,00021,00022,00023,000201520172019202120232025
Population, 2015–2025

Martigny had 19,317 residents in 2015 and 22,513 in 2025.

YearPopulation
202020,276
202120,505
202220,974
202321,759
202422,247
202522,513

Did you know?

All indicators for Martigny

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.

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

Population

IndicatorMartignyValaisNationalPosition?Rank
Share of people aged 65 and over (2025)18.2%21.2%20.7%ranked 1,355 of 1,811

Housing

IndicatorMartignyValaisNationalPosition?Rank
Dwellings (2026)11,987284,3294,927,050ranked 45 of 2,108
Dwellings in buildings built before 1946 (2026)12.5%15.6%23.3%ranked 1,489 of 1,806
Dwellings in buildings built since 2001 (2026)35.3%28.0%25.3%ranked 318 of 1,806
Share of single-family houses among residential buildings (2026)55.1%63.4%69.5%ranked 1,532 of 1,806

Energy

IndicatorMartignyValaisNationalPosition?Rank
Oil or gas heating systems (2026)41.7%49.8%53.5%ranked 1,325 of 1,806
Heat pumps as main heating (2026)12.8%12.0%13.7%ranked 974 of 1,806
Wood heating systems (2026)4.6%13.0%12.4%ranked 1,480 of 1,806
District heating (2026)21.8%3.4%1.4%ranked 60 of 1,806
Photovoltaic installations (2026)53518,204329,600ranked 76 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,326 kW1,004 kW1,134 kWranked 685 of 1,806
Rooftop solar electricity potential (2026)161.1 GWh/year3,880 GWh/year64,783 GWh/yearranked 25 of 2,114
Rooftop solar potential per inhabitant (2026)7,156 kWh/inh.10,316 kWh/inh.9,356 kWh/inh.ranked 1,358 of 1,810

Economy

IndicatorMartignyValaisNationalPosition?Rank
Establishments (2024)2,22332,476728,011ranked 33 of 2,112
Entities listed in the commercial register (2026)2,63935,035762,757ranked 26 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)117.293.164.9ranked 108 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)77.9%72.6%65.7%ranked 97 of 1,808
Share of sole proprietorships among registered entities (2026)15.7%20.9%29.0%ranked 1,736 of 1,808

Employment

IndicatorMartignyValaisNationalPosition?Rank
Jobs (2024)15,473202,1165,679,518ranked 52 of 2,111
Jobs per 1,000 inhabitants (2024)687.3537.6362.9ranked 212 of 1,810
Share of jobs in services (2024)81.4%71.1%63.6%ranked 284 of 1,804
Share of jobs in industry and construction (2024)15.6%21.0%24.2%ranked 1,309 of 1,776

Society

IndicatorMartignyValaisNationalPosition?Rank
Share of foreign nationals (2025)33.2%26.5%18.9%ranked 185 of 1,811

Sunshine and temperatures: Martigny

Annual solar output
1,265kWh
for 1 kWp tilted at 37°
Warmest month
10.4°C
July
Coldest month
−10.6°C
January
Most productive month
142kWh
April

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

Frequently asked questions

What is the population of Martigny?

Martigny has 22,513 residents (2025), ranking 46 of 2,115 municipalities.

How big is Martigny?

Martigny covers 25.0 km², with a density of 900 people per km².

Is the population of Martigny growing?

Between 2015 and 2025, the population of Martigny went from 19,317 to 22,513, a change of +16.5%.

Where is Martigny?

Martigny is in Valais. It belongs to District de Martigny (district). Latitude 46.100, longitude 7.073.

Rooftop solar electricity potential: what is the figure for Martigny?

In Martigny, “Rooftop solar electricity potential” stands at 161.1 GWh/year (2026), ranking 25 of 2,114 municipalities; the national median is 19.0 GWh/year.

Entities listed in the commercial register: what is the figure for Martigny?

In Martigny, “Entities listed in the commercial register” stands at 2,639 (2026), ranking 26 of 2,115 municipalities; the national median is 118.

How much electricity does a solar panel produce in Martigny?

In Martigny, a 1 kWp south-facing system tilted at 37° produces about 1,265 kWh a year.

Which municipalities border Martigny?

The nearest to Martigny are Bovernier (2.0 km), Martigny-Combe (2.6 km), Salvan (4.7 km), Vernayaz (4.8 km), Fully (5.0 km).