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Population & demographics
All demographic data for Posta Fibreno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Posta Fibreno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Posta Fibreno.
Posta Fibreno is a small municipality in the province of Frosinone, Lazio region. With a population of 1035 inhabitants and a density of 108 per km², it covers an area of 9.6 km². The average declared income is 21.394 €.
Posta Fibreno in numbers: the analysis
The census record tells a story of long decline: in 1951 Posta Fibreno had 1,550 inhabitants; today (2026) it has 1,035 — 33.2% fewer.
The ageing index is one of the starkest signals: in Posta Fibreno there are 346 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 835 inhabitants for Posta Fibreno: an expected decline of 19.3% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Posta Fibreno is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Posta Fibreno ranks 75 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1102 |
| 2020 | 1088 |
| 2021 | 1077 |
| 2022 | 1060 |
| 2023 | 1027 |
| 2024 | 1027 |
| 2025 | 1029 |
| 2026 | 1035 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 510 | 49.3% |
| Women | 525 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1550 |
| 1961 | 1476 |
| 1971 | 1345 |
| 1981 | 1393 |
| 1991 | 1365 |
| 2001 | 1274 |
| 2011 | 1217 |
| 2019 | 1102 |
| 2020 | 1088 |
| 2021 | 1077 |
| 2022 | 1060 |
| 2023 | 1027 |
| 2024 | 1027 |
| 2025 | 1029 |
| 2026 | 1035 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 744 | 36.2% |
| Married | 1010 | 49.1% |
| Divorced | 68 | 3.3% |
| Widowed | 236 | 11.5% |
School-Age Population (2026)
Total 0-18 years: 127
| Valore | |
|---|---|
| Nido (0-2) | 25 |
| Infanzia (3-5) | 19 |
| Primaria (6-10) | 37 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 29 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Posta Fibreno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/posta-fibreno-060057" title="Population pyramid of Posta Fibreno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/posta-fibreno-060057" alt="Population pyramid of Posta Fibreno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>