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Seine-Saint-Denis · Île-de-France · 8,683 residents

How much does L'Île-Saint-Denis spend?

Mayor: Mohamed Gnabaly since March 2026 · 29 town councillors

20.5M€
spent in , municipal accounts
+34.8 % vs 2023 · +46.0 % since 2019

In a town this size, a single building project is enough to swing the total from one year to the next.

2,360 € per inhabitant · 19.9 M€ collected · balance -625 k€
+34.8 % vs 2023 · +46.0 % since 2019

In a town this size, a single building project is enough to swing the total from one year to the next.

What the money pays for in L'Île-Saint-Denis

The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.

L'Île-Saint-Denis spends 71 % more per inhabitant than towns of 5,000 to 10,000 inhabitants.

Allocated to a public policyShare of budget against towns of the same size15.1 M€

“elsewhere”: what towns the same size usually devoteL'Île-Saint-Denis devotes a larger share of its budgeta smaller share

Shares are computed on the allocated amount, excluding transfers. “Elsewhere”: the median share of towns the same size — half devote more, half less. Source: DGFiP accounting balances.

Spending and revenue

What the town pays for: staff, purchases, debt. 2019–2024 trend on each line.

Revenue19.9 M€

Property tax in L'Île-Saint-Denis

43.73%

municipal rate on buildings, set in 2025 · unchanged since 2023

Median for towns of its size band: 40.73%.

In 2024, L'Île-Saint-Denis collected 6.7 M€ in property and residence taxes, or 34% of its revenue.

What the town builds

4.2M€

invested in 2024 · €523 per inhabitant

Of which 3.7 M€ of equipment. That is +80.2 % compared with 2023.

Funding2.7 M€
Subventions d'investissement2.5M€
Dotations et fonds propres138k€
What is built or repaid4.2 M€
Dépenses d'équipement3.7M€
Emprunts et dettes512k€

Investment section of the town’s accounts. The rest is funded by the savings made on day-to-day operations.

Debt

1,005

per inhabitant at end of 2024 · 8.7 M€ in total

Towns of its size: €737 per inhabitant · +20.0 % per inhabitant since 2018

Outstanding debt and gross savings: OFGL, main budget. The number of years is the debt-repayment capacity, debt divided by gross savings.

What the town buys

635k€

in public contracts awarded in 2025 · 9 contracts

Top supplier: Sols Tech (Euro 2000), 251 k€, cREATION DE 2 TERRAINS DE TENNIS ET D’UN TERRAIN DE PADEL DANS LE STADE ROBERT CESAR - Gros oeuvre équipement…

Marchés de plus de 40 000 € HT déclarés à la notification (DECP) : montants des contrats, pas les paiements. Les plus petits marchés ne sont pas publiés ; les montants manifestement erronés sont écartés. Years published by the town: 2021, 2024, 2025.

Compare with another town

L'Île-Saint-Denis versus Vaujours
L'Île-Saint-DenisVaujours
Local taxes
917 · 1,178per inhabitant
Debt
1,005 · 776per inhabitant
Gross savings
102 · 102per inhabitant
Property tax on buildings, municipal rate
43.73 % · 23.97 % in 2025

The full comparison

Per inhabitant, 2024 accounts, OFGL. Towns of the same département, by size. A town above or below is not better or worse run. Property-tax rate: municipal share only, excluding the inter-municipal body and additional levies, source REI DGFiP.

Source: DGFiP balance-sheet accounts (nature axis) · OFGL (consolidated commune base) · Public procurement — DECP (data.gouv.fr) · National register of elected officials · 2024·Data·Method