Val-d'Oise · Île-de-France · 68,778 residents
How much does Cergy spend?
Mayor: Jean-Paul Jeandon since March 2026 · 49 town councillors
What the money pays for in Cergy
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Cergy spends 13 % less per inhabitant than towns of 50,000 to 100,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size86.2 M€
“elsewhere”: what towns the same size usually devoteCergy devotes a larger share of its budgeta smaller share
- Education and training22.8M€26 %elsewhere: 17%more than elsewhere (17%)
- General administration19.6M€23 %elsewhere: 28%less than elsewhere (28%)
- Culture, youth and sports17.3M€20 %elsewhere: 21%less than elsewhere (21%)
- Health and social action13.2M€15 %elsewhere: 13%more than elsewhere (13%)
- Security and public health5.8M€7 %elsewhere: 5%more than elsewhere (5%)
- Regional planning and housing4.2M€5 %elsewhere: 7%less than elsewhere (7%)
- Environment2.3M€3 %elsewhere: 3%same as elsewhere (3%)
- Transport934k€1 %elsewhere: 2%less than elsewhere (2%)
- Economic action179k€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.
Spending108 M€
Charges de personnel54.8M€51 %Achats et charges externes23.1M€21 %Charges de gestion couranteof which 1.9 M€ of grants to associations and private bodies6.1M€6 %Impôts et taxes (charges)1.4M€1 %Charges financières591k€1 %Revenue122.5 M€
Property tax in Cergy
municipal rate on buildings, set in 2025 · unchanged since 2023
Median for towns of its size band: 40.09%.
In 2024, Cergy collected 48 M€ in property and residence taxes, or 39% of its revenue.
What the town builds
invested in 2024 · €342 per inhabitant
Of which 17.3 M€ of equipment. That is −10.3 % 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 · 37.8 M€ in total
Towns of its size: €1,317 per inhabitant · +0.7 % 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 · 125 contracts
Top supplier: Arcade Nettoyage, 29.1 M€, ms nettoyage des bâtiments communaux
All the town’s contracts (550)
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: 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.