Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lombardia.
Province page
Open the full profile page for the province of Sondrio.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lombardia ranked by average income.
Provincial population ranking
View the municipalities in the province of Sondrio ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Dazio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Dazio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Dazio.
Dazio is a small municipality in the province of Sondrio, Lombardia region. With a population of 521 inhabitants and a density of 141 per km², it covers an area of 3.7 km². The average declared income is 23.357 €.
Dazio in numbers: the analysis
Compared with the provincial average of Sondrio (about 2,328 residents per municipality), Dazio is a markedly smaller centre.
Among the 77 municipalities of the province of Sondrio, Dazio ranks 63 by population.
Dazio has grown substantially since 1951: from 373 inhabitants then to 521 in 2026, an increase of 39.7%.
The generational balance is in line with the norm: the ageing index of Dazio is 199 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Dazio about 842 inhabitants, up 61.6% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 453 |
| 2020 | 457 |
| 2021 | 471 |
| 2022 | 482 |
| 2023 | 502 |
| 2024 | 514 |
| 2025 | 507 |
| 2026 | 521 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 255 | 48.9% |
| Women | 266 | 51.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 373 |
| 1961 | 351 |
| 1971 | 297 |
| 1981 | 323 |
| 1991 | 319 |
| 2001 | 347 |
| 2011 | 424 |
| 2019 | 453 |
| 2020 | 457 |
| 2021 | 471 |
| 2022 | 482 |
| 2023 | 502 |
| 2024 | 514 |
| 2025 | 507 |
| 2026 | 521 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 418 | 41.2% |
| Married | 448 | 44.2% |
| Divorced | 68 | 6.7% |
| Widowed | 80 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 86
| Valore | |
|---|---|
| Nido (0-2) | 9 |
| Infanzia (3-5) | 8 |
| Primaria (6-10) | 28 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 24 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Dazio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/dazio-014025" title="Population pyramid of Dazio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/dazio-014025" alt="Population pyramid of Dazio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>