Saint-Dizier Population and Area (Haute-Marne)
Largest city in France 2026: up-to-date figures for Saint-Dizier (Haute-Marne)
Saint-Dizier Density
488 inhabitants/km²TOP #1901
Saint-Dizier: Population and Area
With 23,281 inhabitants (INSEE total population in force on January 1, 2026), Saint-Dizier is the 398th most populous town in France in 2026 and the most populous in the Haute-Marne department, out of 426 communes. It covers 48 km² (1,327th largest area in France, 13th largest in the department), with a population density of 488 inhabitants per km², or 4.5 times the national average (110 inhabitants/km²), which ranks it 1,901st in France for density.
Saint-Dizier is located in the Haute-Marne department (52), in the Grand Est region (formerly Champagne-Ardenne), where it ranks 16th by population out of 5,115 communes. It is the most populous town in the Haute-Marne department, which is home to 172,981 people over 6,211 km².
See the full ranking of communes in the Haute-Marne department and the regional ranking: largest city in Grand Est.
Towns of similar size in the Haute-Marne department: Chaumont (pop. 21,889), Langres (pop. 7,819), Nogent (pop. 3,606).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 52448. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.