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
In a town this size, a single building project is enough to swing the total from one year to the next.
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
- Culture, youth and sports5.2M€34 %elsewhere: 15%more than elsewhere (15%)
- General administration5.1M€34 %elsewhere: 37%less than elsewhere (37%)
- Education and training3.2M€21 %elsewhere: 18%more than elsewhere (18%)
- Health and social action1.1M€7 %elsewhere: 6%more than elsewhere (6%)
- Security and public health546k€4 %elsewhere: 3%same as elsewhere (3%)
- Environment5k€0 %elsewhere: 1%less than elsewhere (1%)
- Economic action3k€0 %elsewhere: 0%same as elsewhere (0%)
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.
Spending20.5 M€
Charges de personnel7.9M€39 %Achats et charges externes4.6M€22 %Charges de gestion couranteof which 432 k€ of grants to associations and private bodies3.2M€16 %Impôts et taxes (charges)307k€1 %Charges financières222k€1 %Revenue19.9 M€
Property tax in L'Île-Saint-Denis
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
invested in 2024 · €523 per inhabitant
Of which 3.7 M€ of equipment. That is +80.2 % compared with 2023.
Investment section of the town’s accounts. The rest is funded by the savings made on day-to-day operations.
Debt
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
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
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.