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Population & demographics
All demographic data for Collelongo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Collelongo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Collelongo.
Collelongo is a small municipality in the province of L'Aquila, Abruzzo region. With a population of 1055 inhabitants and a density of 20 per km², it covers an area of 54.0 km². The average declared income is 19.721 €.
Collelongo in numbers: the analysis
Demographic projections to 2050 estimate about 746 inhabitants for Collelongo: an expected decline of 29.3% from today.
Compared with the provincial average of L'Aquila (about 2,655 residents per municipality), Collelongo is a markedly smaller centre.
Among the 108 municipalities of the province of L'Aquila, Collelongo ranks 47 by population.
The census record tells a story of long decline: in 1951 Collelongo had 2,273 inhabitants; today (2026) it has 1,055 — 53.6% fewer.
The ageing index is one of the starkest signals: in Collelongo there are 431 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1167 |
| 2020 | 1146 |
| 2021 | 1120 |
| 2022 | 1122 |
| 2023 | 1104 |
| 2024 | 1070 |
| 2025 | 1063 |
| 2026 | 1055 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 550 | 52.1% |
| Women | 505 | 47.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2273 |
| 1961 | 2087 |
| 1971 | 1858 |
| 1981 | 1706 |
| 1991 | 1596 |
| 2001 | 1514 |
| 2011 | 1313 |
| 2019 | 1167 |
| 2020 | 1146 |
| 2021 | 1120 |
| 2022 | 1122 |
| 2023 | 1104 |
| 2024 | 1070 |
| 2025 | 1063 |
| 2026 | 1055 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 838 | 39.4% |
| Married | 990 | 46.6% |
| Divorced | 54 | 2.5% |
| Widowed | 244 | 11.5% |
School-Age Population (2026)
Total 0-18 years: 105
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 25 |
| Medie (11-13) | 26 |
| Superiori (14-18) | 28 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Collelongo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/collelongo-066039" title="Population pyramid of Collelongo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/collelongo-066039" alt="Population pyramid of Collelongo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>