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Population & demographics
All demographic data for Chiavenna: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Chiavenna.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Chiavenna.
Chiavenna is a medium-sized municipality in the province of Sondrio, Lombardia region. With a population of 7294 inhabitants and a density of 670 per km², it covers an area of 10.9 km². The average declared income is 23.191 €.
Chiavenna in numbers: the analysis
The average municipality in the province of Sondrio has about 2,328 residents: Chiavenna has 3.1 times as many.
By population, Chiavenna ranks no. 4 among the 77 municipalities of the province of Sondrio.
Chiavenna has grown substantially since 1951: from 6,038 inhabitants then to 7,294 in 2026, an increase of 20.8%.
The generational balance is in line with the norm: the ageing index of Chiavenna is 237 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 7,366 inhabitants.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7273 |
| 2020 | 7293 |
| 2021 | 7144 |
| 2022 | 7235 |
| 2023 | 7241 |
| 2024 | 7249 |
| 2025 | 7236 |
| 2026 | 7294 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3470 | 47.6% |
| Women | 3824 | 52.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 49 |
| 2022 | 53 |
| 2023 | 48 |
| 2024 | 45 |
| 2025 | 36 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 6038 |
| 1961 | 6211 |
| 1971 | 7158 |
| 1981 | 7696 |
| 1991 | 7365 |
| 2001 | 7239 |
| 2011 | 7297 |
| 2019 | 7273 |
| 2020 | 7293 |
| 2021 | 7144 |
| 2022 | 7235 |
| 2023 | 7241 |
| 2024 | 7249 |
| 2025 | 7236 |
| 2026 | 7294 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6346 | 43.9% |
| Married | 6010 | 41.5% |
| Divorced | 764 | 5.3% |
| Widowed | 1352 | 9.3% |
School-Age Population (2026)
Total 0-18 years: 1086
| Valore | |
|---|---|
| Nido (0-2) | 146 |
| Infanzia (3-5) | 136 |
| Primaria (6-10) | 261 |
| Medie (11-13) | 224 |
| Superiori (14-18) | 319 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Chiavenna population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/chiavenna-014018" title="Population pyramid of Chiavenna — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/chiavenna-014018" alt="Population pyramid of Chiavenna — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>