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Population & demographics
All demographic data for Asciano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Asciano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Asciano.
Asciano is a medium-sized municipality in the province of Siena, Toscana region. With a population of 6782 inhabitants and a density of 31 per km², it covers an area of 216.5 km². The average declared income is 23.707 €.
Asciano in numbers: the analysis
Demographic projections to 2050 estimate about 6,224 inhabitants for Asciano: an expected decline of 8.2% from today.
The generational balance is in line with the norm: the ageing index of Asciano is 229 (over-65s per 100 under-14s).
The census record tells a story of long decline: in 1951 Asciano had 9,734 inhabitants; today (2026) it has 6,782 — 30.3% fewer.
Among the 35 municipalities of the province of Siena, Asciano ranks 14 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6954 |
| 2020 | 6940 |
| 2021 | 6933 |
| 2022 | 6812 |
| 2023 | 6799 |
| 2024 | 6801 |
| 2025 | 6756 |
| 2026 | 6782 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3338 | 49.2% |
| Women | 3444 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 40 |
| 2022 | 46 |
| 2023 | 44 |
| 2024 | 33 |
| 2025 | 45 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 9734 |
| 1961 | 8070 |
| 1971 | 5867 |
| 1981 | 6019 |
| 1991 | 6210 |
| 2001 | 6488 |
| 2011 | 7228 |
| 2019 | 6954 |
| 2020 | 6940 |
| 2021 | 6933 |
| 2022 | 6812 |
| 2023 | 6799 |
| 2024 | 6801 |
| 2025 | 6756 |
| 2026 | 6782 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 5814 | 43.0% |
| Married | 6260 | 46.3% |
| Divorced | 418 | 3.1% |
| Widowed | 1020 | 7.5% |
School-Age Population (2026)
Total 0-18 years: 1056
| Valore | |
|---|---|
| Nido (0-2) | 123 |
| Infanzia (3-5) | 152 |
| Primaria (6-10) | 274 |
| Medie (11-13) | 177 |
| Superiori (14-18) | 330 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Asciano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/asciano-052002" title="Population pyramid of Asciano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/asciano-052002" alt="Population pyramid of Asciano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>