Essonne · Île-de-France · 16,352 residents
How much does Orsay spend?
Mayor: Rémi Darmon since March 2026 · 33 town councillors
What the money pays for in Orsay
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Orsay spends 46 % more per inhabitant than towns of 10,000 to 20,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size27.5 M€
“elsewhere”: what towns the same size usually devoteOrsay devotes a larger share of its budgeta smaller share
- General administration9.7M€35 %elsewhere: 32%more than elsewhere (32%)
- Culture, youth and sports6.5M€24 %elsewhere: 19%more than elsewhere (19%)
- Health and social action4.9M€18 %elsewhere: 9%more than elsewhere (9%)
- Education and training3.8M€14 %elsewhere: 18%less than elsewhere (18%)
- Regional planning and housing1.7M€6 %elsewhere: 8%less than elsewhere (8%)
- Security and public health752k€3 %elsewhere: 4%less than elsewhere (4%)
- Economic action49k€0 %elsewhere: 0%same as elsewhere (0%)
- Transport22k€0 %elsewhere: 3%less than elsewhere (3%)
- Environment5k€0 %elsewhere: 1%less than elsewhere (1%)
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.
Spending34.1 M€
Charges de personnel16.9M€50 %Achats et charges externes7.4M€22 %Charges de gestion couranteof which 755 k€ of grants to associations and private bodies2.5M€7 %Impôts et taxes (charges)596k€2 %Charges financières347k€1 %Revenue31.7 M€
Property tax in Orsay
municipal rate on buildings, set in 2025 · unchanged since 2023
Median for towns of its size band: 41.8%.
In 2024, Orsay collected 20 M€ in property and residence taxes, or 63% of its revenue.
What the town builds
invested in 2024 · €363 per inhabitant
Of which 4.3 M€ of equipment. That is +23.8 % 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 · 15.5 M€ in total
Towns of its size: €778 per inhabitant · −17.9 % 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 · 28 contracts
Top supplier: Engie, 2 M€, gaz - consommation supérieure à 300 mwh (ville+CCAS)
All the town’s contracts (298)
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.