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Østsjælland: population, economy and official figures

Østsjælland is a province (landsdel) in Zealand, Denmark. Østsjælland had 262,820 residents on 1 January 2025, 30.7% of Zealand and 4.39% of Denmark; 10th largest of 11 provinces in Denmark.

Population
262,820
2025
People per km²
330.4
2024
Median age
44.2
2025
Aged 65+
20.9%
2025
Area (km²)
808
2026

In depth

Is the population of Østsjælland growing?

That is 8.7% more people than in 2015 (241,870).

Source: Eurostat · saved copy

How densely populated is Østsjælland?

There were 330.4 people per square kilometre in 2024.

Source: Eurostat · saved copy

What is the median age in Østsjælland?

The median age was 44.2 years in 2025, against 42.1 for Denmark; 6th highest of 11 provinces in Denmark.

Source: Eurostat · saved copy

How old is the population of Østsjælland?

20.9% of residents were 65 or older and 16.9% were under 15 in 2025.

Source: Eurostat · saved copy

How many births and deaths are there in Østsjælland?

In 2024 there were 2,376 live births and 2,452 deaths, a natural decrease of 76.

Source: Eurostat · saved copy

How big is Østsjælland?

It covers 808 km².

Source: Eurostat · saved copy

Are people moving to Østsjælland?

Net migration added 11.6 people per 1,000 residents in 2024, while births minus deaths gave a natural change of -0.3 per 1,000.

Source: Eurostat · saved copy

Figures come from Denmark'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 provinces in Zealand

Up a level: Zealand · all regions of Denmark · how local power works in Denmark

Sources

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