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Population & demographics
All demographic data for Gagliano Aterno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gagliano Aterno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gagliano Aterno.
Gagliano Aterno is a small municipality in the province of L'Aquila, Abruzzo region. With a population of 221 inhabitants and a density of 7 per km², it covers an area of 31.9 km². The average declared income is 20.582 €.
Gagliano Aterno in numbers: the analysis
Compared with the provincial average of L'Aquila (about 2,655 residents per municipality), Gagliano Aterno is a markedly smaller centre.
Among the 108 municipalities of the province of L'Aquila, Gagliano Aterno ranks 96 by population.
The census record tells a story of long decline: in 1951 Gagliano Aterno had 1,157 inhabitants; today (2026) it has 221 — 80.9% fewer.
The ageing index is one of the starkest signals: in Gagliano Aterno there are 362 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 147 inhabitants for Gagliano Aterno: an expected decline of 33.5% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 249 |
| 2020 | 247 |
| 2021 | 244 |
| 2022 | 236 |
| 2023 | 235 |
| 2024 | 225 |
| 2025 | 229 |
| 2026 | 221 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 114 | 51.6% |
| Women | 107 | 48.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1157 |
| 1961 | 849 |
| 1971 | 576 |
| 1981 | 478 |
| 1991 | 396 |
| 2001 | 314 |
| 2011 | 255 |
| 2019 | 249 |
| 2020 | 247 |
| 2021 | 244 |
| 2022 | 236 |
| 2023 | 235 |
| 2024 | 225 |
| 2025 | 229 |
| 2026 | 221 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 192 | 41.9% |
| Married | 206 | 45.0% |
| Divorced | 14 | 3.1% |
| Widowed | 46 | 10.0% |
School-Age Population (2026)
Total 0-18 years: 29
| Valore | |
|---|---|
| Nido (0-2) | 4 |
| Infanzia (3-5) | 5 |
| Primaria (6-10) | 11 |
| Medie (11-13) | 1 |
| Superiori (14-18) | 8 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gagliano Aterno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gagliano-aterno-066045" title="Population pyramid of Gagliano Aterno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gagliano-aterno-066045" alt="Population pyramid of Gagliano Aterno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>