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Val-d'Oise: population, economy and official figures

Val-d'Oise is a department in Ile de France, France. Val-d'Oise had 1,297,210 residents on 1 January 2025, 10.3% of Ile de France and 1.88% of France; 16th largest of 101 departments in France.

Population
1,297,210
2025
People per km²
1,040.6
2024
Median age
37.6
2025
Aged 65+
15.4%
2025
Area (km²)
1,253
2026

In depth

Is the population of Val-d'Oise growing?

That is 6.7% more people than in 2015 (1,215,390).

Source: Eurostat · saved copy

How densely populated is Val-d'Oise?

There were 1,040.6 people per square kilometre in 2024.

Source: Eurostat · saved copy

What is the median age in Val-d'Oise?

The median age was 37.6 years in 2025, against 42.8 for France; 98th highest of 101 departments in France.

Source: Eurostat · saved copy

How old is the population of Val-d'Oise?

15.4% of residents were 65 or older and 20.2% were under 15 in 2025.

Source: Eurostat · saved copy

How many births and deaths are there in Val-d'Oise?

In 2024 there were 17,446 live births and 7,881 deaths, a natural increase of 9,565.

Source: Eurostat · saved copy

How big is Val-d'Oise?

It covers 1,253 km².

Source: Eurostat · saved copy

Are people moving to Val-d'Oise?

The net migration rate was -1.5 per 1,000 residents in 2024, while births minus deaths gave a natural change of +7.4 per 1,000.

Source: Eurostat · saved copy

Figures come from France's own official statistics and from Eurostat's regional statistics for NUTS 3 areas. Comparisons with the EU average use purchasing power standards (PPS), which adjust for price differences.

Other departments in Ile de France

Up a level: Ile de France · all regions of France · how local power works in France

Sources

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