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Population & demographics
All demographic data for Monticiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Monticiano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Monticiano.
Monticiano is a small municipality in the province of Siena, Toscana region. With a population of 1636 inhabitants and a density of 15 per km², it covers an area of 110.2 km². The average declared income is 20.418 €.
Monticiano in numbers: the analysis
Compared with the provincial average of Siena (about 7,414 residents per municipality), Monticiano is a markedly smaller centre.
Among the 35 municipalities of the province of Siena, Monticiano ranks 30 by population.
The census record tells a story of long decline: in 1951 Monticiano had 2,972 inhabitants; today (2026) it has 1,636 — 45% fewer.
The generational balance is in line with the norm: the ageing index of Monticiano is 214 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Monticiano about 2,100 inhabitants, up 28.4% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1521 |
| 2020 | 1503 |
| 2021 | 1535 |
| 2022 | 1534 |
| 2023 | 1563 |
| 2024 | 1649 |
| 2025 | 1605 |
| 2026 | 1636 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 880 | 53.8% |
| Women | 756 | 46.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 16 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 17 |
| 2025 | 11 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2972 |
| 1961 | 2343 |
| 1971 | 1875 |
| 1981 | 1586 |
| 1991 | 1444 |
| 2001 | 1408 |
| 2011 | 1505 |
| 2019 | 1521 |
| 2020 | 1503 |
| 2021 | 1535 |
| 2022 | 1534 |
| 2023 | 1563 |
| 2024 | 1649 |
| 2025 | 1605 |
| 2026 | 1636 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1492 | 46.5% |
| Married | 1330 | 41.4% |
| Divorced | 132 | 4.1% |
| Widowed | 256 | 8.0% |
School-Age Population (2026)
Total 0-18 years: 257
| Valore | |
|---|---|
| Nido (0-2) | 35 |
| Infanzia (3-5) | 37 |
| Primaria (6-10) | 63 |
| Medie (11-13) | 47 |
| Superiori (14-18) | 75 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Monticiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/monticiano-052018" title="Population pyramid of Monticiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/monticiano-052018" alt="Population pyramid of Monticiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>