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Population & demographics
All demographic data for Tresivio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Tresivio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Tresivio.
Tresivio is a small municipality in the province of Sondrio, Lombardia region. With a population of 2038 inhabitants and a density of 135 per km², it covers an area of 15.1 km². The average declared income is 25.576 €.
Tresivio in numbers: the analysis
Tresivio has grown substantially since 1951: from 1,855 inhabitants then to 2,038 in 2026, an increase of 9.9%.
The ageing index is one of the starkest signals: in Tresivio there are 252 residents over 65 for every 100 under 14, well above the national average.
Looking ahead to 2050, projections give Tresivio about 2,262 inhabitants, up 11% from today.
Among the 77 municipalities of the province of Sondrio, Tresivio ranks 30 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1977 |
| 2020 | 1998 |
| 2021 | 2007 |
| 2022 | 2011 |
| 2023 | 2025 |
| 2024 | 2037 |
| 2025 | 2046 |
| 2026 | 2038 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1020 | 50.0% |
| Women | 1018 | 50.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 19 |
| 2022 | 10 |
| 2023 | 17 |
| 2024 | 9 |
| 2025 | 15 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1855 |
| 1961 | 1786 |
| 1971 | 1697 |
| 1981 | 1792 |
| 1991 | 1882 |
| 2001 | 1943 |
| 2011 | 2002 |
| 2019 | 1977 |
| 2020 | 1998 |
| 2021 | 2007 |
| 2022 | 2011 |
| 2023 | 2025 |
| 2024 | 2037 |
| 2025 | 2046 |
| 2026 | 2038 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1724 | 42.1% |
| Married | 1804 | 44.1% |
| Divorced | 210 | 5.1% |
| Widowed | 354 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 292
| Valore | |
|---|---|
| Nido (0-2) | 39 |
| Infanzia (3-5) | 47 |
| Primaria (6-10) | 76 |
| Medie (11-13) | 44 |
| Superiori (14-18) | 86 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Tresivio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/tresivio-014070" title="Population pyramid of Tresivio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/tresivio-014070" alt="Population pyramid of Tresivio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>