Yvelines · Île-de-France · 40,312 residents
How much does Poissy spend?
Mayor: Sandrine Berno Dos Santos since March 2026 · 43 town councillors
What the money pays for in Poissy
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Poissy spends 14 % more per inhabitant than towns of 20,000 to 50,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size59.8 M€
“elsewhere”: what towns the same size usually devotePoissy devotes a larger share of its budgeta smaller share
- General administration17.7M€30 %elsewhere: 30%less than elsewhere (30%)
- Culture, youth and sports14.4M€24 %elsewhere: 21%more than elsewhere (21%)
- Education and training9.7M€16 %elsewhere: 18%less than elsewhere (18%)
- Health and social action9.2M€15 %elsewhere: 12%more than elsewhere (12%)
- Security and public health3.9M€7 %elsewhere: 4%more than elsewhere (4%)
- Regional planning and housing3.1M€5 %elsewhere: 7%less than elsewhere (7%)
- Transport808k€1 %elsewhere: 2%less than elsewhere (2%)
- Economic action508k€1 %elsewhere: 1%same as elsewhere (1%)
- Environment473k€1 %elsewhere: 2%less than elsewhere (2%)
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.
Spending82.6 M€
Charges de personnel35.1M€42 %Achats et charges externes15.8M€19 %Charges de gestion couranteof which 2.1 M€ of grants to associations and private bodies7.9M€10 %Impôts et taxes (charges)1.1M€1 %Charges financières687k€1 %Revenue86.8 M€
Property tax in Poissy
municipal rate on buildings, set in 2025 · down since 2023
Median for towns of its size band: 41.19%.
In 2024, Poissy collected 27.4 M€ in property and residence taxes, or 32% of its revenue.
What the town builds
invested in 2024 · €588 per inhabitant
Of which 19.4 M€ of equipment. That is +43.0 % 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 · 17 M€ in total
Towns of its size: €894 per inhabitant · −43.1 % 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 2026 · 1 contracts
Top supplier: Librairie du Pincerais, 300 k€, achat de livres non scolaires : livres jeunes - comptoir de vente et d’après liste de commande
All the town’s contracts (313)
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: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.
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.