Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Umbria.
Province page
Open the full profile page for the province of Terni.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Umbria ranked by average income.
Provincial population ranking
View the municipalities in the province of Terni ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Allerona: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Allerona.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Allerona.
Allerona is a small municipality in the province of Terni, Umbria region. With a population of 1679 inhabitants and a density of 20 per km², it covers an area of 82.5 km². The average declared income is 20.487 €.
Allerona in numbers: the analysis
The ageing index is one of the starkest signals: in Allerona there are 262 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,417 inhabitants for Allerona: an expected decline of 15.6% from today.
Compared with the provincial average of Terni (about 6,504 residents per municipality), Allerona is a markedly smaller centre.
Among the 33 municipalities of the province of Terni, Allerona ranks 22 by population.
The census record tells a story of long decline: in 1951 Allerona had 2,470 inhabitants; today (2026) it has 1,679 — 32% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1764 |
| 2020 | 1724 |
| 2021 | 1686 |
| 2022 | 1685 |
| 2023 | 1687 |
| 2024 | 1691 |
| 2025 | 1687 |
| 2026 | 1679 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 830 | 49.4% |
| Women | 849 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 5 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 8 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2470 |
| 1961 | 2167 |
| 1971 | 1704 |
| 1981 | 1705 |
| 1991 | 1818 |
| 2001 | 1822 |
| 2011 | 1859 |
| 2019 | 1764 |
| 2020 | 1724 |
| 2021 | 1686 |
| 2022 | 1685 |
| 2023 | 1687 |
| 2024 | 1691 |
| 2025 | 1687 |
| 2026 | 1679 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1348 | 40.0% |
| Married | 1656 | 49.1% |
| Divorced | 86 | 2.5% |
| Widowed | 284 | 8.4% |
School-Age Population (2026)
Total 0-18 years: 249
| Valore | |
|---|---|
| Nido (0-2) | 29 |
| Infanzia (3-5) | 33 |
| Primaria (6-10) | 59 |
| Medie (11-13) | 54 |
| Superiori (14-18) | 74 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Allerona population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/allerona-055002" title="Population pyramid of Allerona — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/allerona-055002" alt="Population pyramid of Allerona — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>