Seine-et-Marne · Île-de-France · 21,384 residents
How much does Lagny-sur-Marne spend?
Mayor: Jean-Paul Michel since March 2026 · 35 town councillors
What the money pays for in Lagny-sur-Marne
The 2024 operating expenditure — investment aside — sorted this time by public policy rather than by type of spending.
Lagny-sur-Marne spends 10 % less per inhabitant than towns of 20,000 to 50,000 inhabitants.
Allocated to a public policyShare of budget against towns of the same size25.1 M€
“elsewhere”: what towns the same size usually devoteLagny-sur-Marne devotes a larger share of its budgeta smaller share
- General administration7.8M€31 %elsewhere: 30%more than elsewhere (30%)
- Education and training4.9M€20 %elsewhere: 18%more than elsewhere (18%)
- Culture, youth and sports4.9M€19 %elsewhere: 21%less than elsewhere (21%)
- Health and social action2.2M€9 %elsewhere: 12%less than elsewhere (12%)
- Regional planning and housing1.6M€6 %elsewhere: 7%less than elsewhere (7%)
- Security and public health1.4M€6 %elsewhere: 4%more than elsewhere (4%)
- Environment996k€4 %elsewhere: 2%more than elsewhere (2%)
- Transport886k€4 %elsewhere: 2%more than elsewhere (2%)
- Economic action344k€1 %elsewhere: 1%more 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.
Spending36.7 M€
Charges de personnel14.5M€39 %Achats et charges externes8.4M€23 %Charges de gestion couranteof which 522 k€ of grants to associations and private bodies1.6M€4 %Charges financières550k€2 %Impôts et taxes (charges)550k€2 %Revenue47.1 M€
Property tax in Lagny-sur-Marne
municipal rate on buildings, set in 2025 · unchanged since 2023
Median for towns of its size band: 41.19%.
In 2024, Lagny-sur-Marne collected 19.2 M€ in property and residence taxes, or 41% of its revenue.
What the town builds
invested in 2024 · €515 per inhabitant
Of which 8.7 M€ of equipment. That is −18.8 % 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 · 22.1 M€ in total
Towns of its size: €894 per inhabitant · +8.7 % 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 · 5 contracts
Top supplier: Travaux Publics Ile de France, 32 M€, marché de travaux et d’entretien de la voirie et des réseaux divers
All the town’s contracts (154)
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: 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.