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Population & demographics
All demographic data for Proceno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Proceno.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Proceno.
Proceno is a small municipality in the province of Viterbo, Lazio region. With a population of 521 inhabitants and a density of 12 per km², it covers an area of 42.5 km². The average declared income is 19.107 €.
Proceno in numbers: the analysis
The census record tells a story of long decline: in 1951 Proceno had 1,871 inhabitants; today (2026) it has 521 — 72.2% fewer.
The ageing index is one of the starkest signals: in Proceno there are 746 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 409 inhabitants for Proceno: an expected decline of 21.5% from today.
Compared with the provincial average of Viterbo (about 5,130 residents per municipality), Proceno is a markedly smaller centre.
Among the 60 municipalities of the province of Viterbo, Proceno ranks 59 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 559 |
| 2020 | 529 |
| 2021 | 522 |
| 2022 | 528 |
| 2023 | 521 |
| 2024 | 530 |
| 2025 | 536 |
| 2026 | 521 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 290 | 55.7% |
| Women | 231 | 44.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1871 |
| 1961 | 1509 |
| 1971 | 1069 |
| 1981 | 847 |
| 1991 | 651 |
| 2001 | 632 |
| 2011 | 605 |
| 2019 | 559 |
| 2020 | 529 |
| 2021 | 522 |
| 2022 | 528 |
| 2023 | 521 |
| 2024 | 530 |
| 2025 | 536 |
| 2026 | 521 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 502 | 46.8% |
| Married | 428 | 39.9% |
| Divorced | 18 | 1.7% |
| Widowed | 124 | 11.6% |
School-Age Population (2026)
Total 0-18 years: 37
| Valore | |
|---|---|
| Nido (0-2) | 3 |
| Infanzia (3-5) | 3 |
| Primaria (6-10) | 13 |
| Medie (11-13) | 4 |
| Superiori (14-18) | 14 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Proceno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/proceno-056044" title="Population pyramid of Proceno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/proceno-056044" alt="Population pyramid of Proceno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>