Yvelines · Île-de-France · 31,547 residents
How much does Le Chesnay-Rocquencourt spend?
Mayor: Anne Père-Brillault since March 2026 · 43 town councillors
What the money pays for in Le Chesnay-Rocquencourt
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Le Chesnay-Rocquencourt spends 5 % less per inhabitant than towns of 20,000 to 50,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size39 M€
“elsewhere”: what towns the same size usually devoteLe Chesnay-Rocquencourt devotes a larger share of its budgeta smaller share
- General administration11.6M€30 %elsewhere: 30%less than elsewhere (30%)
- Culture, youth and sports9M€23 %elsewhere: 21%more than elsewhere (21%)
- Health and social action7.9M€20 %elsewhere: 12%more than elsewhere (12%)
- Education and training4.4M€11 %elsewhere: 18%less than elsewhere (18%)
- Security and public health2.5M€6 %elsewhere: 4%more than elsewhere (4%)
- Regional planning and housing2.5M€6 %elsewhere: 7%less than elsewhere (7%)
- Transport566k€1 %elsewhere: 2%less than elsewhere (2%)
- Environment376k€1 %elsewhere: 2%less than elsewhere (2%)
- Economic action279k€1 %elsewhere: 1%same as 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.
Spending57.8 M€
Charges de personnel23.6M€41 %Achats et charges externes10M€17 %Charges de gestion couranteof which 1.1 M€ of grants to associations and private bodies4.3M€7 %Impôts et taxes (charges)865k€1 %Charges financières471k€1 %Revenue53.5 M€
Property tax in Le Chesnay-Rocquencourt
municipal rate on buildings, set in 2025 · up since 2023
Median for towns of its size band: 41.19%.
In 2024, Le Chesnay-Rocquencourt collected 25.7 M€ in property and residence taxes, or 48% of its revenue.
What the town builds
invested in 2024 · €580 per inhabitant
Of which 16.1 M€ of equipment. That is +32.8 % 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 · 18.1 M€ in total
Towns of its size: €894 per inhabitant · −27.2 % 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 · 2 contracts
Top supplier: IDF Marquage, 2 M€, travaux de signalisation horizontale
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: 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.