Government and politics in Seine-Saint-Denis (Ile de France, France): official figures
Stéphane Troussel has been president of the departmental council of Seine-Saint-Denis since 1 July 2021, according to the national register of elected officials.
How many councillors does Seine-Saint-Denis have?
41 councillors currently sit for Seine-Saint-Denis on the departmental council; they are elected in mixed woman-and-man pairs from its 21 cantons, and the delegation is the 51st largest of 96 departements.
Source: Ministère de l'Intérieur · saved copyWhen were the last departmental elections in Seine-Saint-Denis?
Most of the current councillors for Seine-Saint-Denis took office on 1 July 2021, after the departmental elections of June 2021; 20 of the 41 are women.
Source: Ministère de l'Intérieur · saved copyHow big is the budget of Seine-Saint-Denis?
The departement's main budget totalled €2.0 billion of spending in 2025, financed by €2.0 billion of revenue including €187.03 million of new borrowing.
Source: Observatoire des finances et de la gestion publique locales (OFGL), from DGFiP accounts · saved copyMore figures
- The councillors representing Seine-Saint-Denis were 53.1 years old on average in October 2026, 2nd youngest of 96 departements; the youngest was 35 and the oldest 76. Source: Ministère de l'Intérieur · saved copy
- The executive of the departmental council of Seine-Saint-Denis includes 12 vice-presidents, each holding a portfolio such as social action, colleges or roads. Source: Ministère de l'Intérieur · saved copy
- 6 of the 41 councillors for Seine-Saint-Denis are retired, and the most common occupation listed is "cadre de la fonction publique" (14 members). Source: Ministère de l'Intérieur · saved copy
How Seine-Saint-Denis compares with other departments in France
Average age of departmental councillors (years) (2026)
Seine-Saint-Denis ranks 95 of 96, highest first.
| Rank | Area | Average age of departmental councillors (years) |
|---|---|---|
| 90 | Val-de-Marne | 55.4 |
| 91 | Territoire de Belfort | 54.9 |
| 92 | Réunion | 54.7 |
| 93 | Ille-et-Vilaine | 54.6 |
| 94 | Vendée | 54.2 |
| 95 | Seine-Saint-Denis | 53.1 |
| 96 | Mayotte | 47.7 |
Number of departmental councillors (2026)
Seine-Saint-Denis ranks 51 of 96, highest first.
| Rank | Area | Number of departmental councillors |
|---|---|---|
| 48 | Val-d'Oise | 42 |
| 49 | Maine-et-Loire | 41 |
| 50 | Orne | 41 |
| 51 | Seine-Saint-Denis | 41 |
| 52 | Guadeloupe | 41 |
| 53 | Haute-Saône | 39 |
| 54 | Allier | 38 |
More on Seine-Saint-Denis: overview · economy and jobs · education and schools · poverty and living standards · government budget · Ile de France · France
Sources
- Ministère de l'Intérieur: Répertoire national des élus: conseillers départementaux (mise à jour du 11 août 2026), read 23 October 2026 · saved copy (SHA-256 7af7a47ebab9…)
- Observatoire des finances et de la gestion publique locales (OFGL), from DGFiP accounts: Comptes des départements 2012-2025 (budgets principaux, 2019-2025 extract), read 23 October 2026 · saved copy (SHA-256 3c1b2d8de45d…)
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