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Population & demographics
All demographic data for Mazzo di Valtellina: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Mazzo di Valtellina.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Mazzo di Valtellina.
Mazzo di Valtellina is a small municipality in the province of Sondrio, Lombardia region. With a population of 1009 inhabitants and a density of 67 per km², it covers an area of 15.0 km². The average declared income is 22.991 €.
Mazzo di Valtellina in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Mazzo di Valtellina is 179 (over-65s per 100 under-14s).
Over the long run the population of Mazzo di Valtellina has stayed essentially stable: 1,052 inhabitants in 1951, 1,009 in 2026 (less than 5% change).
Among the 77 municipalities of the province of Sondrio, Mazzo di Valtellina ranks 47 by population.
Compared with the provincial average of Sondrio (about 2,328 residents per municipality), Mazzo di Valtellina is a markedly smaller centre.
Looking ahead to 2050, projections give Mazzo di Valtellina about 1,062 inhabitants, up 5.3% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 994 |
| 2020 | 998 |
| 2021 | 1017 |
| 2022 | 1028 |
| 2023 | 1033 |
| 2024 | 1024 |
| 2025 | 1017 |
| 2026 | 1009 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 496 | 49.2% |
| Women | 513 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1052 |
| 1961 | 972 |
| 1971 | 890 |
| 1981 | 950 |
| 1991 | 1010 |
| 2001 | 1045 |
| 2011 | 1041 |
| 2019 | 994 |
| 2020 | 998 |
| 2021 | 1017 |
| 2022 | 1028 |
| 2023 | 1033 |
| 2024 | 1024 |
| 2025 | 1017 |
| 2026 | 1009 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 886 | 43.6% |
| Married | 924 | 45.4% |
| Divorced | 88 | 4.3% |
| Widowed | 136 | 6.7% |
School-Age Population (2026)
Total 0-18 years: 171
| Valore | |
|---|---|
| Nido (0-2) | 23 |
| Infanzia (3-5) | 30 |
| Primaria (6-10) | 42 |
| Medie (11-13) | 30 |
| Superiori (14-18) | 46 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Mazzo di Valtellina population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/mazzo-di-valtellina-014040" title="Population pyramid of Mazzo di Valtellina — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/mazzo-di-valtellina-014040" alt="Population pyramid of Mazzo di Valtellina — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>