
Romans-sur-Isère Population and Area (Drôme)
Largest city in France 2026: up-to-date figures for Romans-sur-Isère (Drôme)
Romans-sur-Isère: Population and Area
With 34,176 inhabitants (INSEE total population in force on January 1, 2026), Romans-sur-Isère is the 245th most populous town in France in 2026 and the 3rd most populous in the Drôme department, out of 362 communes. It covers 33 km² (3,196th largest area in France, 41st largest in the department), with a population density of 1,033 inhabitants per km², or 9.4 times the national average (110 inhabitants/km²), which ranks it 907th in France for density.
Romans-sur-Isère is located in the Drôme department (26), in the Auvergne-Rhône-Alpes region (formerly Rhône-Alpes), where it ranks 25th by population out of 4,025 communes. The most populous town in the Drôme department is Valence (65,647 inhabitants); the department is home to 536,948 people over 6,525 km².
See the full ranking of communes in the Drôme department and the regional ranking: largest city in Auvergne-Rhône-Alpes.
Towns of similar size in the Drôme department: Valence (pop. 65,647), Montélimar (pop. 41,752), Bourg-lès-Valence (pop. 20,405), Pierrelatte (pop. 14,006), Portes-lès-Valence (pop. 10,650).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 26281. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.