Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Frosinone.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Frosinone ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Fontana Liri: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Fontana Liri.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Fontana Liri.
Fontana Liri is a small municipality in the province of Frosinone, Lazio region. With a population of 2589 inhabitants and a density of 159 per km², it covers an area of 16.2 km². The average declared income is 22.381 €.
Fontana Liri in numbers: the analysis
Demographic projections to 2050 estimate about 1,881 inhabitants for Fontana Liri: an expected decline of 27.3% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Fontana Liri is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Fontana Liri ranks 40 by population.
The census record tells a story of long decline: in 1951 Fontana Liri had 4,164 inhabitants; today (2026) it has 2,589 — 37.8% fewer.
The ageing index is one of the starkest signals: in Fontana Liri there are 283 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2842 |
| 2020 | 2793 |
| 2021 | 2757 |
| 2022 | 2752 |
| 2023 | 2698 |
| 2024 | 2684 |
| 2025 | 2630 |
| 2026 | 2589 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1261 | 48.7% |
| Women | 1328 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 25 |
| 2022 | 23 |
| 2023 | 20 |
| 2024 | 8 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4164 |
| 1961 | 3492 |
| 1971 | 3177 |
| 1981 | 3248 |
| 1991 | 3303 |
| 2001 | 3215 |
| 2011 | 2993 |
| 2019 | 2842 |
| 2020 | 2793 |
| 2021 | 2757 |
| 2022 | 2752 |
| 2023 | 2698 |
| 2024 | 2684 |
| 2025 | 2630 |
| 2026 | 2589 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2190 | 41.6% |
| Married | 2428 | 46.2% |
| Divorced | 152 | 2.9% |
| Widowed | 490 | 9.3% |
School-Age Population (2026)
Total 0-18 years: 373
| Valore | |
|---|---|
| Nido (0-2) | 38 |
| Infanzia (3-5) | 57 |
| Primaria (6-10) | 92 |
| Medie (11-13) | 65 |
| Superiori (14-18) | 121 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Fontana Liri population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/fontana-liri-060036" title="Population pyramid of Fontana Liri — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/fontana-liri-060036" alt="Population pyramid of Fontana Liri — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>