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Population & demographics
All demographic data for Fonzaso: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Fonzaso.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Fonzaso.
Fonzaso is a small municipality in the province of Belluno, Veneto region. With a population of 2966 inhabitants and a density of 108 per km², it covers an area of 27.4 km². The average declared income is 21.715 €.
Fonzaso in numbers: the analysis
The ageing index is one of the starkest signals: in Fonzaso there are 335 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 2,351 inhabitants for Fonzaso: an expected decline of 20.7% from today.
Among the 60 municipalities of the province of Belluno, Fonzaso ranks 18 by population.
The census record tells a story of long decline: in 1951 Fonzaso had 4,523 inhabitants; today (2026) it has 2,966 — 34.4% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3174 |
| 2020 | 3134 |
| 2021 | 3082 |
| 2022 | 3053 |
| 2023 | 3014 |
| 2024 | 3012 |
| 2025 | 2980 |
| 2026 | 2966 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1478 | 49.8% |
| Women | 1488 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 18 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 14 |
| 2025 | 19 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4523 |
| 1961 | 4251 |
| 1971 | 3536 |
| 1981 | 3536 |
| 1991 | 3418 |
| 2001 | 3414 |
| 2011 | 3322 |
| 2019 | 3174 |
| 2020 | 3134 |
| 2021 | 3082 |
| 2022 | 3053 |
| 2023 | 3014 |
| 2024 | 3012 |
| 2025 | 2980 |
| 2026 | 2966 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2692 | 45.2% |
| Married | 2522 | 42.3% |
| Divorced | 224 | 3.8% |
| Widowed | 522 | 8.8% |
School-Age Population (2026)
Total 0-18 years: 400
| Valore | |
|---|---|
| Nido (0-2) | 44 |
| Infanzia (3-5) | 51 |
| Primaria (6-10) | 109 |
| Medie (11-13) | 65 |
| Superiori (14-18) | 131 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Fonzaso population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/fonzaso-025022" title="Population pyramid of Fonzaso — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/fonzaso-025022" alt="Population pyramid of Fonzaso — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>