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Population & demographics
All demographic data for Ferentino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ferentino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ferentino.
Ferentino is a medium-sized municipality in the province of Frosinone, Lazio region. With a population of 19.902 inhabitants and a density of 245 per km², it covers an area of 81.3 km². The average declared income is 21.493 €.
Ferentino in numbers: the analysis
Ferentino has grown substantially since 1951: from 16,328 inhabitants then to 19,902 in 2026, an increase of 21.9%.
The generational balance is in line with the norm: the ageing index of Ferentino is 218 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 19,120 inhabitants.
The average municipality in the province of Frosinone has about 5,058 residents: Ferentino has 3.9 times as many.
By population, Ferentino ranks no. 7 among the 91 municipalities of the province of Frosinone.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 20.136 |
| 2020 | 20.037 |
| 2021 | 20.247 |
| 2022 | 20.162 |
| 2023 | 20.104 |
| 2024 | 20.048 |
| 2025 | 19.949 |
| 2026 | 19.902 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 9931 | 49.9% |
| Women | 9971 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 140 |
| 2022 | 121 |
| 2023 | 115 |
| 2024 | 119 |
| 2025 | 108 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.328 |
| 1961 | 15.794 |
| 1971 | 16.021 |
| 1981 | 17.695 |
| 1991 | 19.149 |
| 2001 | 20.103 |
| 2011 | 20.966 |
| 2019 | 20.136 |
| 2020 | 20.037 |
| 2021 | 20.247 |
| 2022 | 20.162 |
| 2023 | 20.104 |
| 2024 | 20.048 |
| 2025 | 19.949 |
| 2026 | 19.902 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 16.902 | 42.4% |
| Married | 18.768 | 47.0% |
| Divorced | 1226 | 3.1% |
| Widowed | 3002 | 7.5% |
School-Age Population (2026)
Total 0-18 years: 2977
| Valore | |
|---|---|
| Nido (0-2) | 354 |
| Infanzia (3-5) | 383 |
| Primaria (6-10) | 811 |
| Medie (11-13) | 521 |
| Superiori (14-18) | 908 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ferentino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ferentino-060033" title="Population pyramid of Ferentino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ferentino-060033" alt="Population pyramid of Ferentino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>