Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Toscana.
Province page
Open the full profile page for the province of Siena.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Toscana ranked by average income.
Provincial population ranking
View the municipalities in the province of Siena ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Chiusdino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Chiusdino.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Chiusdino.
Chiusdino is a small municipality in the province of Siena, Toscana region. With a population of 1704 inhabitants and a density of 12 per km², it covers an area of 142.1 km². The average declared income is 21.339 €.
Chiusdino in numbers: the analysis
The census record tells a story of long decline: in 1951 Chiusdino had 4,824 inhabitants; today (2026) it has 1,704 — 64.7% fewer.
Among the 35 municipalities of the province of Siena, Chiusdino ranks 29 by population.
Compared with the provincial average of Siena (about 7,414 residents per municipality), Chiusdino is a markedly smaller centre.
Demographic projections to 2050 estimate about 1,342 inhabitants for Chiusdino: an expected decline of 21.2% from today.
The generational balance is in line with the norm: the ageing index of Chiusdino is 207 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1827 |
| 2020 | 1811 |
| 2021 | 1801 |
| 2022 | 1767 |
| 2023 | 1744 |
| 2024 | 1707 |
| 2025 | 1702 |
| 2026 | 1704 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 838 | 49.2% |
| Women | 866 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 12 |
| 2022 | 15 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 12 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4824 |
| 1961 | 4061 |
| 1971 | 2862 |
| 1981 | 2252 |
| 1991 | 1922 |
| 2001 | 1918 |
| 2011 | 1877 |
| 2019 | 1827 |
| 2020 | 1811 |
| 2021 | 1801 |
| 2022 | 1767 |
| 2023 | 1744 |
| 2024 | 1707 |
| 2025 | 1702 |
| 2026 | 1704 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1444 | 42.4% |
| Married | 1552 | 45.6% |
| Divorced | 136 | 4.0% |
| Widowed | 272 | 8.0% |
School-Age Population (2026)
Total 0-18 years: 283
| Valore | |
|---|---|
| Nido (0-2) | 32 |
| Infanzia (3-5) | 50 |
| Primaria (6-10) | 68 |
| Medie (11-13) | 66 |
| Superiori (14-18) | 67 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Chiusdino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/chiusdino-052010" title="Population pyramid of Chiusdino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/chiusdino-052010" alt="Population pyramid of Chiusdino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>