Setting up in Val-d'Oise
Val-d'Oise in France
Val-d'Oise is one of the eight departments of the Paris Region, north of Paris. It has 183 municipalities; Paris-Charles de Gaulle airport lies partly within its territory, at Roissy-en-France.
Locating Val-d'Oise
- Val-d'Oise
- Paris
- Other departments of Île-de-France
- Roissy-en-France (Paris-Charles de Gaulle airport)
Source : municipal boundaries and centre of Roissy-en-France: API Découpage administratif (geo.api.gouv.fr), retrieved on 02/10/2026, simplified boundaries.
Val-d'Oise, Île-de-France and France in figures
The same definitions, the same sources and the same years for all three territories. The values are taken from the official files; each row states its source.
| Indicator | Val-d'Oise | Île-de-France | France |
|---|---|---|---|
| Population Source : INSEE, RP 2023 | 1,281,653 | 12,463,067 | 68,094,280 |
| Share aged under 15 Source : INSEE, RP 2023 | 21.2 % | 18.7 % | 17.0 % |
| Unemployment rate (census definition, aged 15-64) Source : INSEE, RP 2023 | 11.8 % | 11.2 % | 11.4 % |
| Average reference taxable income per tax household Source : DGFiP, IRCOM 2025 (revenus 2024) | 32,489 € | 42,208 € | 33,026 € |
| Share of tax households that are taxed Source : DGFiP, IRCOM 2025 (revenus 2024) | 48.4 % | 53.9 % | 47.3 % |
| Number of establishments (excluding agriculture) Source : INSEE, établissements au 31/12/2024 | 101,746 | 1,476,257 | 6,625,344 |
Sources : INSEE, 2023 population census (population, under-15s, unemployment as defined by the census); INSEE, business demography, establishments as at 31/12/2024; DGFiP, IRCOM, 2024 income declared in 2025 (reference taxable income and taxed tax households). Values retrieved on 02/10/2026. Scope of “France”: France excluding Mayotte for the census, the whole of France for establishments and for income tax (“Total” row of the national file). The average CFE rate is not compared: no strictly comparable official average exists.
Other territories
Does your project concern another department or another region? These organisations will point you in the right direction.
CNER
National federation of economic development agencies.
Business France
National agency responsible for the international development of French companies and for welcoming foreign investment in France.
Choose Paris Region
Attractiveness agency of the Paris Region: it supports international companies setting up there.