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Sarthe: population, economy and official figures

Sarthe is a department in Pays de la Loire, France. Sarthe had 565,403 residents on 1 January 2025, 14.3% of Pays de la Loire and 0.82% of France; 45th largest of 101 departments in France.

Population
565,403
2025
People per km²
90.8
2024
Median age
44.7
2025
Aged 65+
24.0%
2025
Area (km²)
6,246
2026

In depth

Is the population of Sarthe growing?

That is 0.5% fewer people than in 2015 (568,445).

Source: Eurostat · saved copy

How densely populated is Sarthe?

There were 90.8 people per square kilometre in 2024.

Source: Eurostat · saved copy

What is the median age in Sarthe?

The median age was 44.7 years in 2025, against 42.8 for France; 55th highest of 101 departments in France.

Source: Eurostat · saved copy

How old is the population of Sarthe?

24.0% of residents were 65 or older and 16.7% were under 15 in 2025.

Source: Eurostat · saved copy

How many births and deaths are there in Sarthe?

In 2024 there were 5,088 live births and 6,021 deaths, a natural decrease of 933.

Source: Eurostat · saved copy

How big is Sarthe?

It covers 6,246 km².

Source: Eurostat · saved copy

Are people moving to Sarthe?

Net migration added 0.2 people per 1,000 residents in 2024, while births minus deaths gave a natural change of -1.6 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 Pays de la Loire

Up a level: Pays de la Loire · all regions of France · how local power works in France

Sources

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