What is the youngest city in Seine-Saint-Denis?

Clichy-sous-Bois, at 33.4 years, ahead of Dugny (33.7 years).

What is the oldest city in Seine-Saint-Denis?

Le Pré-Saint-Gervais, at 40.5 years. 35 cities of Seine-Saint-Denis are measured here.

Where does Clichy-sous-Bois stand in France?

12 of the 1,102 French cities measured on mean age. The national ranking is on its own page.

Which cities lead in Seine-Saint-Denis?

Clichy-sous-Bois (33.4 years), Dugny (33.7 years), Stains (34.2 years), Villepinte (34.6 years), La Courneuve (35.1 years). The whole table is on this page.

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In Seine-Saint-Denis · INSEE, recensement de la population

The youngest cities in Seine-Saint-Denis

Clichy-sous-Bois is the youngest city in Seine-Saint-Denis, at 33.4 years, ahead of Dugny (33.7 years) and Stains (34.2 years). At the other end, Le Pré-Saint-Gervais is the oldest city, at 40.5 years.

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The 35 cities of Seine-Saint-Denis ranked on mean age
Rank	City	Mean age	Population
1	Clichy-sous-Bois	33.4 years	29,354
2	Dugny	33.7 years	11,700
3	Stains	34.2 years	41,388
4	Villepinte	34.6 years	41,470
5	La Courneuve	35.1 years	47,167
6	Villetaneuse	35.1 years	12,530
7	Saint-Denis (93)	35.4 years	149,077
8	Le Blanc-Mesnil	35.4 years	62,376
9	Bobigny	35.6 years	56,927
10	Sevran	36.0 years	52,535
11	Les Pavillons-sous-Bois	36.0 years	25,804
12	Aubervilliers	36.1 years	88,365
13	Neuilly-sur-Marne	36.1 years	39,800
14	Romainville	36.1 years	37,152
15	Épinay-sur-Seine	36.3 years	52,833
16	Noisy-le-Sec	36.4 years	45,510
17	Pantin	36.6 years	61,929
18	Saint-Ouen-sur-Seine	36.6 years	53,615
19	Bagnolet	36.6 years	43,086
20	Aulnay-sous-Bois	36.8 years	87,599
21	Montfermeil	36.9 years	28,703
22	Rosny-sous-Bois	37.1 years	47,180
23	Drancy	37.2 years	72,390
24	Le Bourget	37.3 years	15,925
25	Bondy	37.4 years	50,595
26	Livry-Gargan	37.4 years	47,228
27	Gagny	37.4 years	42,313
28	Tremblay-en-France	37.4 years	38,348
29	Noisy-le-Grand	37.6 years	72,978
30	Montreuil	37.8 years	111,934
31	Villemomble	38.3 years	29,795
32	Les Lilas	39.7 years	23,843
33	Neuilly-Plaisance	39.7 years	21,941
34	Le Raincy	40.0 years	14,735
35	Le Pré-Saint-Gervais	40.5 years	16,993

Every city of Seine-Saint-Denis →

The same ranking for the whole of France : The youngest cities in France · The French cities with the oldest population

The youngest cities in, elsewhere

The other rankings of Seine-Saint-Denis

Scope, method and sources

Scope: France, metropolitan and overseas, Corsica and the DROM included. This dataset holds every commune of 10,000 inhabitants or more, plus smaller communes famous enough to be household names, 1,131 in all. It is not the full list of 35,000 French communes, so a village can sit outside a ranking whose extreme it would otherwise hold.

Method and sources: populations are the INSEE legal populations, boundaries and coordinates come from the IGN commune registry, both served by geo.api.gouv.fr. Density is the population divided by the commune's area; distances are measured as the crow flies from the commune's centre. Data read on August 28, 2026.

4 questions about this ranking

What is the youngest city in Seine-Saint-Denis?: Clichy-sous-Bois, at 33.4 years, ahead of Dugny (33.7 years).
What is the oldest city in Seine-Saint-Denis?: Le Pré-Saint-Gervais, at 40.5 years. 35 cities of Seine-Saint-Denis are measured here.
Where does Clichy-sous-Bois stand in France?: 12 of the 1,102 French cities measured on mean age. The national ranking is on its own page.
Which cities lead in Seine-Saint-Denis?: Clichy-sous-Bois (33.4 years), Dugny (33.7 years), Stains (34.2 years), Villepinte (34.6 years), La Courneuve (35.1 years). The whole table is on this page.