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Largest city in the Ardennes department: the 2026 ranking

The 447 towns of the Ardennes department (08) ranked by population, area and density, based on the official INSEE population figures in force in 2026.

The largest city in the Ardennes department is Charleville-Mézières, with 46,473 inhabitants (ranked 157th in France by population). The largest town by area is Signy-l'Abbaye (62 km²). Charleville-Mézières is also the most densely populated town, with 1,478 inhabitants per km². At the other end of the ranking, Belval-Bois-des-Dames has only 27 inhabitants.

The Ardennes department has 271,604 inhabitants over 5,229 km², a density of 52 inhabitants per km², 2.1 times lower than the national average (110 per km²). It accounts for 4.8% of the population of Grand Est, the region it has belonged to since the 2016 reform (formerly Champagne-Ardenne): see the ranking of the largest cities in Grand Est.

The 20 largest cities in the Ardennes department by population

# Town Population km² per km² France rank
1 Charleville-Mézières 46,473 31 1,478 157th
2 Sedan 17,029 16 1,046 585th
3 Rethel 7,674 19 413 1,432nd
4 Givet 6,512 18 354 1,727th
5 Revin 5,817 38 151 1,966th
6 Nouzonville 5,588 11 512 2,050th
7 Bogny-sur-Meuse 4,951 23 214 2,307th
8 Vouziers 3,938 42 93 2,933rd
9 Villers-Semeuse 3,683 7.0 524 3,128th
10 Vrigne aux Bois 3,570 23 158 3,245th
11 Fumay 3,132 38 83 3,692nd
12 Vivier-au-Court 2,802 9.3 300 4,069th
13 Carignan 2,719 14 194 4,167th
14 Bazeilles 2,643 37 71 4,295th
15 Rocroi 2,311 50 46 4,865th
16 Floing 2,310 7.4 311 4,872nd
17 Nouvion-sur-Meuse 2,289 9.1 253 4,926th
18 Mouzon 2,255 42 54 5,003rd
19 Monthermé 2,210 32 68 5,092nd
20 Douzy 2,173 20 108 5,176th

Largest towns by area in the Ardennes department

# Town Population km² per km² France rank
1 Signy-l'Abbaye 1,362 62 22 728th
2 Rocroi 2,311 50 46 1,149th
3 Bairon et ses environs 1,068 45 24 1,562nd
4 Vendresse 496 43 11 1,712th
5 Grandpré 515 43 12 1,776th
6 Vouziers 3,938 42 93 1,783rd
7 Hargnies 440 42 10 1,807th
8 Mouzon 2,255 42 54 1,837th
9 Thin-le-Moutier 717 40 18 2,116th
10 Tailly 187 39 5 2,167th

Most densely populated towns in the Ardennes department

# Town Population km² per km² France rank
1 Charleville-Mézières 46,473 31 1,478 627th
2 Sedan 17,029 16 1,046 894th
3 Villers-Semeuse 3,683 7.0 524 1,773rd
4 Nouzonville 5,588 11 512 1,815th
5 Rethel 7,674 19 413 2,209th
6 Givet 6,512 18 354 2,544th
7 Rimogne 1,331 3.8 353 2,550th
8 Balan 1,603 4.7 345 2,616th
9 Floing 2,310 7.4 311 2,912th
10 Vivier-au-Court 2,802 9.3 300 3,014th

All towns in the Ardennes department (447)

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

Other departments in Grand Est

Aube (10) Marne (51) Haute-Marne (52) Meurthe-et-Moselle (54) Meuse (55) Moselle (57) Bas-Rhin (67) Haut-Rhin (68) Vosges (88) 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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