Isernia Population 2026
Isernia has a population of 16,945, making it the #526 biggest city in 🇮🇹 Italy, located in Molise. It is about 137× smaller than Rome, the country's biggest city.
Population (city proper)
16,945
Rank in Italy
#526
Coordinates
41.60°N, 14.23°E
~423 m elevation · Europe/Rome
Distance to capital (Rome)
147 km
91 miles, straight line
Other big cities in Molise
| City | Population | Rank in Italy |
|---|---|---|
| Campobasso | 49,230 | #137 |
| Termoli | 31,044 | #262 |
Cities near Isernia
- Cassino21,074 people · ~36 km away
- Campobasso49,230 people · ~36 km away
- Sora23,758 people · ~53 km away
- Sulmona21,086 people · ~57 km away
- Santa Maria Capua Vetere31,743 people · ~57 km away
- Caserta72,844 people · ~59 km away
FAQ
What is the population of Isernia?
Isernia has a population of 16,945 (city proper, latest official figure via GeoNames), making it the #526 biggest city in Italy.
What region is Isernia in?
Isernia is located in Molise, Italy.
Is Isernia the capital of Italy?
No, the capital of Italy is Rome, about 147 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.