Thionville Population and Area (Moselle)
Largest city in France 2026: up-to-date figures for Thionville (Moselle)
Thionville: Population and Area
With 43,398 inhabitants (INSEE total population in force on January 1, 2026), Thionville is the 180th most populous town in France in 2026 and the 2nd most populous in the Moselle department, out of 725 communes. It covers 50 km² (1,188th largest area in France, 2nd largest in the department), with a population density of 870 inhabitants per km², or 7.9 times the national average (110 inhabitants/km²), which ranks it 1,096th in France for density.
Thionville is located in the Moselle department (57), in the Grand Est region (formerly Lorraine), where it ranks 10th by population out of 5,115 communes. The most populous town in the Moselle department is Metz (124,396 inhabitants); the department is home to 1,068,899 people over 6,216 km².
See the full ranking of communes in the Moselle department and the regional ranking: largest city in Grand Est.
Towns of similar size in the Moselle department: Metz (pop. 124,396), Montigny-lès-Metz (pop. 22,065), Forbach (pop. 20,721), Sarreguemines (pop. 20,549).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 57672. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.