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Population & demographics
All demographic data for Alviano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Alviano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Alviano.
Alviano is a small municipality in the province of Terni, Umbria region. With a population of 1318 inhabitants and a density of 55 per km², it covers an area of 23.8 km². The average declared income is 20.678 €.
Alviano in numbers: the analysis
The census record tells a story of long decline: in 1951 Alviano had 1,595 inhabitants; today (2026) it has 1,318 — 17.4% fewer.
The ageing index is one of the starkest signals: in Alviano there are 343 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 964 inhabitants for Alviano: an expected decline of 26.9% from today.
Compared with the provincial average of Terni (about 6,504 residents per municipality), Alviano is a markedly smaller centre.
Among the 33 municipalities of the province of Terni, Alviano ranks 28 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1444 |
| 2020 | 1433 |
| 2021 | 1403 |
| 2022 | 1396 |
| 2023 | 1368 |
| 2024 | 1345 |
| 2025 | 1330 |
| 2026 | 1318 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 631 | 47.9% |
| Women | 687 | 52.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 8 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1595 |
| 1961 | 1511 |
| 1971 | 1499 |
| 1981 | 1382 |
| 1991 | 1398 |
| 2001 | 1508 |
| 2011 | 1514 |
| 2019 | 1444 |
| 2020 | 1433 |
| 2021 | 1403 |
| 2022 | 1396 |
| 2023 | 1368 |
| 2024 | 1345 |
| 2025 | 1330 |
| 2026 | 1318 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 992 | 37.3% |
| Married | 1338 | 50.3% |
| Divorced | 88 | 3.3% |
| Widowed | 242 | 9.1% |
School-Age Population (2026)
Total 0-18 years: 156
| Valore | |
|---|---|
| Nido (0-2) | 21 |
| Infanzia (3-5) | 16 |
| Primaria (6-10) | 55 |
| Medie (11-13) | 20 |
| Superiori (14-18) | 44 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Alviano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/alviano-055003" title="Population pyramid of Alviano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/alviano-055003" alt="Population pyramid of Alviano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>