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Largest city in the Morbihan department: the 2026 ranking

The 249 towns of the Morbihan department (56) ranked by population, area and density, based on the official INSEE population figures in force in 2026.

The largest city in the Morbihan department is Lorient, with 59,856 inhabitants (ranked 100th in France by population). The largest town by area is Languidic (109 km²). Lorient is also the most densely populated town, with 3,424 inhabitants per km². At the other end of the ranking, Hœdic has only 106 inhabitants.

The Morbihan department has 804,597 inhabitants over 6,817 km², a density of 118 inhabitants per km², close to the national average (110 per km²). It accounts for 22.7% of the population of Brittany, the region it belongs to: see the ranking of the largest cities in Brittany.

The 20 largest cities in the Morbihan department by population

# Town Population km² per km² France rank
1 Lorient 59,856 17 3,424 100th
2 Vannes 57,745 32 1,788 105th
3 Lanester 23,752 18 1,293 387th
4 Ploemeur 19,496 40 491 507th
5 Hennebont 16,385 19 882 605th
6 Pontivy 15,490 25 623 648th
7 Auray 14,607 6.9 2,114 692nd
8 Saint-Avé 12,792 26 490 791st
9 Guidel 12,672 52 242 803rd
10 Ploërmel 10,688 58 185 972nd
11 Séné 9,745 20 489 1,090th
12 Sarzeau 9,377 60 156 1,144th
13 Quéven 9,237 24 386 1,162nd
14 Theix-Noyalo 8,742 52 168 1,233rd
15 Larmor-Plage 8,622 7.3 1,186 1,255th
16 Questembert 8,442 66 127 1,286th
17 Languidic 8,205 109 75 1,328th
18 Pluvigner 7,828 83 95 1,406th
19 Kervignac 7,409 40 187 1,483rd
20 Caudan 7,369 43 173 1,497th

Largest towns by area in the Morbihan department

# Town Population km² per km² France rank
1 Languidic 8,205 109 75 194th
2 Forges de Lanouée 2,311 96 24 258th
3 Pluméliau-Bieuzy 4,705 87 54 332nd
4 Guiscriff 2,088 85 24 349th
5 Langonnet 1,960 85 23 350th
6 Pluvigner 7,828 83 95 371st
7 Évellys 3,460 80 43 407th
8 Ploërdut 1,276 76 17 457th
9 Gourin 4,113 75 55 466th
10 Carentoir 3,295 73 45 490th

Most densely populated towns in the Morbihan department

# Town Population km² per km² France rank
1 Lorient 59,856 17 3,424 243rd
2 Port-Louis 2,704 1.1 2,527 357th
3 Auray 14,607 6.9 2,114 424th
4 Vannes 57,745 32 1,788 507th
5 La Roche-Bernard 762 0.4 1,772 510th
6 Étel 2,261 1.7 1,299 737th
7 Lanester 23,752 18 1,293 742nd
8 Larmor-Plage 8,622 7.3 1,186 810th
9 Locmiquélic 4,193 3.6 1,171 817th
10 Locminé 5,013 4.9 1,031 911th

All towns in the Morbihan department (249)

INSEE total population in parentheses. Each town page gives its area, density, national and departmental rankings, and neighboring towns.

Other departments in Brittany

Côtes-d'Armor (22) Finistère (29) Ille-et-Vilaine (35) All departments

Sources: INSEE, official population figures in force on January 1, 2026 (total population); land area: IGN / Observatoire des territoires. Rankings computed across the 34,858 communes in the database.

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