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Population & demographics
All demographic data for Delebio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Delebio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Delebio.
Delebio is a small municipality in the province of Sondrio, Lombardia region. With a population of 3353 inhabitants and a density of 149 per km², it covers an area of 22.6 km². The average declared income is 23.437 €.
Delebio in numbers: the analysis
Among the 77 municipalities of the province of Sondrio, Delebio ranks 16 by population.
Delebio has grown substantially since 1951: from 2,010 inhabitants then to 3,353 in 2026, an increase of 66.8%.
The generational balance is in line with the norm: the ageing index of Delebio is 169 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Delebio about 3,627 inhabitants, up 8.2% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3277 |
| 2020 | 3322 |
| 2021 | 3286 |
| 2022 | 3331 |
| 2023 | 3318 |
| 2024 | 3315 |
| 2025 | 3322 |
| 2026 | 3353 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1697 | 50.6% |
| Women | 1656 | 49.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 37 |
| 2022 | 28 |
| 2023 | 23 |
| 2024 | 27 |
| 2025 | 34 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2010 |
| 1961 | 2166 |
| 1971 | 2369 |
| 1981 | 2655 |
| 1991 | 2755 |
| 2001 | 2996 |
| 2011 | 3173 |
| 2019 | 3277 |
| 2020 | 3322 |
| 2021 | 3286 |
| 2022 | 3331 |
| 2023 | 3318 |
| 2024 | 3315 |
| 2025 | 3322 |
| 2026 | 3353 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2982 | 44.9% |
| Married | 2902 | 43.7% |
| Divorced | 238 | 3.6% |
| Widowed | 522 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 607
| Valore | |
|---|---|
| Nido (0-2) | 81 |
| Infanzia (3-5) | 90 |
| Primaria (6-10) | 166 |
| Medie (11-13) | 109 |
| Superiori (14-18) | 161 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Delebio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/delebio-014026" title="Population pyramid of Delebio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/delebio-014026" alt="Population pyramid of Delebio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>