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Largest city in the Pas-de-Calais department: the 2026 ranking

The 887 towns of the Pas-de-Calais department (62) ranked by population, area and density, based on the official INSEE population figures in force in 2026.

The largest city in the Pas-de-Calais department is Calais, with 68,246 inhabitants (ranked 77th in France by population). The largest town by area is Oye-Plage (34 km²). The most densely populated is Boulogne-sur-Mer, with 4,860 inhabitants per km². At the other end of the ranking, Guinecourt has only 13 inhabitants.

The Pas-de-Calais department has 1,479,365 inhabitants over 6,671 km², a density of 222 inhabitants per km², 2.0 times the national average (110 per km²). It accounts for 24.3% of the population of Hauts-de-France, the region it has belonged to since the 2016 reform (formerly Nord-Pas-de-Calais): see the ranking of the largest cities in Hauts-de-France.

The 20 largest cities in the Pas-de-Calais department by population

# Town Population km² per km² France rank
1 Calais 68,246 34 2,037 77th
2 Arras 43,765 12 3,763 177th
3 Boulogne-sur-Mer 40,924 8.4 4,860 198th
4 Lens 33,122 12 2,831 254th
5 Liévin 30,398 13 2,369 286th
6 Hénin-Beaumont 26,029 21 1,256 354th
7 Béthune 25,585 9.5 2,705 364th
8 Bruay-la-Buissière 21,772 16 1,332 439th
9 Carvin 18,033 21 857 551st
10 Avion 17,556 13 1,346 568th
11 Saint-Omer 14,954 16 912 673rd
12 Berck 13,289 15 893 764th
13 Outreau 13,266 7.1 1,871 767th
14 Harnes 12,334 11 1,146 822nd
15 Bully-les-Mines 12,241 7.7 1,598 826th
16 Méricourt 11,662 7.5 1,549 878th
17 Nœux-les-Mines 11,619 8.8 1,314 883rd
18 Longuenesse 11,039 8.4 1,314 934th
19 Saint-Martin-Boulogne 11,038 13 839 935th
20 Étaples 10,819 13 835 961st

Largest towns by area in the Pas-de-Calais department

# Town Population km² per km² France rank
1 Oye-Plage 5,873 34 173 3,038th
2 Calais 68,246 34 2,037 3,115th
3 Aire-sur-la-Lys 9,856 33 295 3,134th
4 Marck 10,616 32 336 3,549th
5 Bonnières 669 27 25 4,766th
6 Auxi-le-Château 2,578 27 95 4,786th
7 Lillers 10,302 27 383 4,849th
8 Baincthun 1,361 27 51 4,909th
9 Guînes 5,554 26 210 4,998th
10 Éperlecques 3,790 26 148 5,321st

Most densely populated towns in the Pas-de-Calais department

# Town Population km² per km² France rank
1 Boulogne-sur-Mer 40,924 8.4 4,860 148th
2 Arras 43,765 12 3,763 216th
3 Billy-Montigny 7,975 2.7 2,943 298th
4 Lens 33,122 12 2,831 316th
5 Montigny-en-Gohelle 9,784 3.5 2,795 323rd
6 Béthune 25,585 9.5 2,705 331st
7 Sallaumines 9,451 3.8 2,474 365th
8 Éleu-dit-Leauwette 2,837 1.2 2,425 375th
9 Liévin 30,398 13 2,369 381st
10 Le Portel 8,878 3.9 2,306 393rd

All towns in the Pas-de-Calais department (887)

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

Other departments in Hauts-de-France

Aisne (02) Nord (59) Oise (60) Somme (80) 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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