Épernay Population and Area (Marne)
Largest city in France 2026: up-to-date figures for Épernay (Marne)
Épernay: Population and Area
With 22,628 inhabitants (INSEE total population in force on January 1, 2026), Épernay is the 411th most populous town in France in 2026 and the 3rd most populous in the Marne department, out of 610 communes. It covers 23 km² (6,550th largest area in France, 78th largest in the department), with a population density of 997 inhabitants per km², or 9.1 times the national average (110 inhabitants/km²), which ranks it 944th in France for density.
Épernay is located in the Marne department (51), in the Grand Est region (formerly Champagne-Ardenne), where it ranks 18th by population out of 5,115 communes. The most populous town in the Marne department is Reims (180,733 inhabitants); the department is home to 574,142 people over 8,169 km².
See the full ranking of communes in the Marne department and the regional ranking: largest city in Grand Est.
Towns of similar size in the Marne department: Reims (pop. 180,733), Châlons-en-Champagne (pop. 43,914), Vitry-le-François (pop. 11,168), Tinqueux (pop. 10,886), Bétheny (pop. 7,093).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 51230. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.