Largest city in the Marne department: the 2026 ranking

The 610 towns of the Marne department (51) ranked by population, area and density, based on the official INSEE population figures in force in 2026.

The largest city in the Marne department is Reims, with 180,733 inhabitants (ranked 13th in France by population). The largest town by area is Sommepy-Tahure (68 km²). Reims is also the most densely populated town, with 3,854 inhabitants per km². At the other end of the ranking, Rouvroy-Ripont has only 5 inhabitants.

The Marne department has 574,142 inhabitants over 8,169 km², a density of 70 inhabitants per km², 1.6 times lower than the national average (110 per km²). It accounts for 10.1% 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 Marne department by population

# Town Population km² per km² France rank
1 Reims 180,733 47 3,854 13th
2 Châlons-en-Champagne 43,914 26 1,686 175th
3 Épernay 22,628 23 997 411th
4 Vitry-le-François 11,168 6.5 1,731 919th
5 Tinqueux 10,886 4.2 2,623 949th
6 Bétheny 7,093 20 356 1,551st
7 Cormontreuil 6,611 4.6 1,431 1,697th
8 Fismes 5,908 17 353 1,920th
9 Saint-Memmie 5,529 13 437 2,068th
10 Aÿ-Champagne 5,191 32 163 2,194th
11 Bezannes 5,138 8.0 641 2,224th
12 Witry-lès-Reims 5,021 16 304 2,268th
13 Fagnières 4,962 19 255 2,297th
14 Mourmelon-le-Grand 4,948 23 213 2,308th
15 Sézanne 4,694 23 206 2,433rd
16 Sainte-Menehould 4,253 57 74 2,698th
17 Suippes 3,974 42 94 2,894th
18 Saint-Brice-Courcelles 3,607 4.2 867 3,193rd
19 Montmirail 3,602 49 74 3,201st
20 Blancs-Coteaux 3,245 66 49 3,552nd

Largest towns by area in the Marne department

# Town Population km² per km² France rank
1 Sommepy-Tahure 680 68 10 572nd
2 Fère-Champenoise 2,209 66 34 626th
3 Blancs-Coteaux 3,245 66 49 629th
4 Courtisols 2,438 66 37 631st
5 Sainte-Menehould 4,253 57 74 864th
6 Souain-Perthes-lès-Hurlus 266 53 5 1,015th
7 Vienne-le-Château 524 51 10 1,095th
8 Montmirail 3,602 49 74 1,251st
9 Reims 180,733 47 3,854 1,392nd
10 Sompuis 271 44 6 1,649th

Most densely populated towns in the Marne department

# Town Population km² per km² France rank
1 Reims 180,733 47 3,854 208th
2 Tinqueux 10,886 4.2 2,623 341st
3 Magenta 1,690 1.0 1,742 521st
4 Vitry-le-François 11,168 6.5 1,731 528th
5 Châlons-en-Champagne 43,914 26 1,686 551st
6 Cormontreuil 6,611 4.6 1,431 651st
7 Épernay 22,628 23 997 944th
8 Saint-Brice-Courcelles 3,607 4.2 867 1,104th
9 Bezannes 5,138 8.0 641 1,467th
10 Jonchery-sur-Vesle 1,863 3.2 582 1,607th

All towns in the Marne department (610)

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

Other departments in Grand Est

Ardennes (08) Aube (10) 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.

This website uses cookies to give you the best possible experience
Read the privacy policy