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Population & demographics
All demographic data for Monteriggioni: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Monteriggioni.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Monteriggioni.
Monteriggioni is a medium-sized municipality in the province of Siena, Toscana region. With a population of 10.063 inhabitants and a density of 100 per km², it covers an area of 100.1 km². The average declared income is 29.113 €.
Monteriggioni in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 10,215 inhabitants.
Among the 35 municipalities of the province of Siena, Monteriggioni ranks 6 by population.
Monteriggioni has grown substantially since 1951: from 5,248 inhabitants then to 10,063 in 2026, an increase of 91.7%.
The generational balance is in line with the norm: the ageing index of Monteriggioni is 192 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 10.019 |
| 2020 | 10.029 |
| 2021 | 10.011 |
| 2022 | 9993 |
| 2023 | 10.000 |
| 2024 | 9934 |
| 2025 | 9950 |
| 2026 | 10.063 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4962 | 49.3% |
| Women | 5101 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 82 |
| 2022 | 73 |
| 2023 | 69 |
| 2024 | 65 |
| 2025 | 58 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5248 |
| 1961 | 4386 |
| 1971 | 5512 |
| 1981 | 6690 |
| 1991 | 7134 |
| 2001 | 7891 |
| 2011 | 9264 |
| 2019 | 10.019 |
| 2020 | 10.029 |
| 2021 | 10.011 |
| 2022 | 9993 |
| 2023 | 10.000 |
| 2024 | 9934 |
| 2025 | 9950 |
| 2026 | 10.063 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 9136 | 45.9% |
| Married | 8726 | 43.8% |
| Divorced | 738 | 3.7% |
| Widowed | 1300 | 6.5% |
School-Age Population (2026)
Total 0-18 years: 1664
| Valore | |
|---|---|
| Nido (0-2) | 197 |
| Infanzia (3-5) | 217 |
| Primaria (6-10) | 419 |
| Medie (11-13) | 304 |
| Superiori (14-18) | 527 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Monteriggioni population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/monteriggioni-052016" title="Population pyramid of Monteriggioni — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/monteriggioni-052016" alt="Population pyramid of Monteriggioni — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>