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Isernia: population, economy and official figures

Isernia is a province in Molise, Italy. Isernia had 78,755 residents on 1 January 2025, 27.4% of Molise and 0.13% of Italy; the smallest of 107 provinces in Italy.

Population
78,755
2025
People per km²
51.5
2024
Median age
51.1
2025
Aged 65+
28.1%
2025
Area (km²)
1,535
2026

In depth

Is the population of Isernia growing?

That is 8.9% fewer people than in 2015 (86,489).

Source: Eurostat · saved copy

How densely populated is Isernia?

There were 51.5 people per square kilometre in 2024.

Source: Eurostat · saved copy

What is the median age in Isernia?

The median age was 51.1 years in 2025, against 49 for Italy; 26th highest of 107 provinces in Italy.

Source: Eurostat · saved copy

How old is the population of Isernia?

28.1% of residents were 65 or older and 10.4% were under 15 in 2025.

Source: Eurostat · saved copy

How many births and deaths are there in Isernia?

In 2024 there were 422 live births and 1,118 deaths, a natural decrease of 696.

Source: Eurostat · saved copy

How big is Isernia?

It covers 1,535 km².

Source: Eurostat · saved copy

Are people moving to Isernia?

The net migration rate was +2.7 per 1,000 residents in 2024, while births minus deaths gave a natural change of -8.8 per 1,000.

Source: Eurostat · saved copy

Figures come from Italy'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 Molise

Up a level: Molise · all regions of Italy · how local power works in Italy

Sources

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