What is the largest city of Allier?

Montluçon, with 33,147 inhabitants, ahead of Vichy (25,115).

How many cities does Allier have?

5 of its communes are listed here: every one over 10,000 inhabitants, plus the smaller ones that are household names. Allier has far more communes than that.

Which city of Allier is the densest?

Vichy, at 4,251 inhab./km², against 940 inhab./km² for the cities of Allier taken together.

Which region is Allier in?

Auvergne-Rhône-Alpes, which this dataset carries 116 cities of.

Which cities are in Allier?

Montluçon (33,147), Vichy (25,115), Moulins (19,206), Cusset (13,316), Yzeure (12,897). The full table is on this page, with the figures for each.

Le Bon Rang

By department · Department 03

Cities of Allier (03)

Allier carries 5 cities in this dataset, 103,681 inhabitants between them. The largest is Montluçon (33,147), the smallest Yzeure (12,897).

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Cities5
Inhabitants103,681
DensestVichy4,251 inhab./km²
Largest areaYzeure43.2 km²

The 5 cities of Allier, largest first
Rank	City	Population	Density inhab./km²	Area km²
1	Montluçon	33,147	1,603	20.7
2	Vichy	25,115	4,251	5.9
3	Moulins	19,206	2,204	8.7
4	Cusset	13,316	419	31.8
5	Yzeure	12,897	298	43.2

All rankings →

The rankings of Allier

Where Allier stands out

The French cities where most people live aloneMoulins leads France, ahead of 1,038 cities · 61.6 %
The French cities with the most pétanque playersYzeure is 6 of 1,035 in France · 13.3 / 1,000 inhab.
The French cities with the most bars per inhabitantVichy is 7 of 1,050 in France · 25.48 / 10,000 inhab.
The French cities where most people walk to workVichy is 7 of 1,038 in France · 20.9 %
Driving test pass rate, French département by départementMontluçon is 8 of 1,112 in France · 71.7 %
The cheapest cities to rent in FranceMontluçon is 13 of 1,102 in France · 8.9 €/m²

Its region : Auvergne-Rhône-Alpes

The other departments of Auvergne-Rhône-Alpes

Every territory (118)

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Scope, method and sources

Scope: France, metropolitan and overseas, Corsica and the DROM included. This dataset holds every commune of 10,000 inhabitants or more, plus smaller communes famous enough to be household names, 1,131 in all. It is not the full list of 35,000 French communes, so a village can sit outside a ranking whose extreme it would otherwise hold.

Method and sources: populations are the INSEE legal populations, boundaries and coordinates come from the IGN commune registry, both served by geo.api.gouv.fr. Density is the population divided by the commune's area; distances are measured as the crow flies from the commune's centre. Data read on August 28, 2026.

5 questions about this territory

What is the largest city of Allier?: Montluçon, with 33,147 inhabitants, ahead of Vichy (25,115).
How many cities does Allier have?: 5 of its communes are listed here: every one over 10,000 inhabitants, plus the smaller ones that are household names. Allier has far more communes than that.
Which city of Allier is the densest?: Vichy, at 4,251 inhab./km², against 940 inhab./km² for the cities of Allier taken together.
Which region is Allier in?: Auvergne-Rhône-Alpes, which this dataset carries 116 cities of.
Which cities are in Allier?: Montluçon (33,147), Vichy (25,115), Moulins (19,206), Cusset (13,316), Yzeure (12,897). The full table is on this page, with the figures for each.