Formia Population 2026
Formia has a population of 28,521, making it the #285 biggest city in 🇮🇹 Italy, located in Lazio. It is about 81× smaller than Rome, the country's biggest city.
Population (city proper)
28,521
Rank in Italy
#285
Coordinates
41.26°N, 13.61°E
~19 m elevation · Europe/Rome
Distance to capital (Rome)
115 km
71 miles, straight line
Other big cities in Lazio
| City | Population | Rank in Italy |
|---|---|---|
| Rome | 2,318,895 | #1 |
| Acilia-Castel Fusano-Ostia Antica | 129,362 | #28 |
| Guidonia Montecelio | 89,165 | #52 |
| Lido di Ostia | 85,301 | #56 |
| Latina | 76,305 | #70 |
| Aprilia | 74,977 | #73 |
| Velletri | 52,911 | #123 |
| Nettuno | 49,873 | #135 |
Cities near Formia
FAQ
What is the population of Formia?
Formia has a population of 28,521 (city proper, latest official figure via GeoNames), making it the #285 biggest city in Italy.
What region is Formia in?
Formia is located in Lazio, Italy.
Is Formia the capital of Italy?
No, the capital of Italy is Rome, about 115 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.