Population 2021 in Seine-Saint-Denis: 1,632,677 inhabitants

Seine-Saint-Denis officially had 1,632,677 inhabitants on January 1, 2021, up 0.59% compared to 2020 (1,623,111). An increase of 9,566 inhabitants carried by a few towns, starting with Pantin. Detail of trends and figures by municipality of the department.

–

Seine-Saint-Denis is one of the 5 departments of Ile-de-France which are increasing the most. The first is the Val d’Oise. See below the share of each department in the progression of Ile-de-France. At the regional level, the population goes from 12,174,880 to 12,213,447 inhabitants.

–

Inside the department, it is the town of Pantin which gains the most inhabitants from one year to the next (+1578). Aubervilliers, Romainville and Saint-Denis also gain around a thousand inhabitants. See below the population progression by city of Seine-Saint-Denis.

–

In terms of number of inhabitants, Saint-Denis and Montreuil, the only two towns with more than 100,000 inhabitants in the department, are in the lead with 112,091 and 109,914 inhabitants respectively. In terms of growth, Romainville is the municipality which increases the most, at a rate of + 3.52%.

In total, populations are increasing in 27 towns in the department and decreasing in 13. This is Le Pré-Saint-Gervais (-465 inhabitants, down 2.59%) and Le Bourget (-455 inhabitants, down 2. , 74%) who lose the most inhabitants.

See below for details of the 2020 and 2021 populations by city.