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Population & demographics
All demographic data for Colle di Val d'Elsa: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Colle di Val d'Elsa.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Colle di Val d'Elsa.
Colle di Val d'Elsa is a medium-sized municipality in the province of Siena, Toscana region. With a population of 21.665 inhabitants and a density of 236 per km², it covers an area of 92.0 km². The average declared income is 24.417 €.
Colle di Val d'Elsa in numbers: the analysis
The average municipality in the province of Siena has about 7,414 residents: Colle di Val d'Elsa has 2.9 times as many.
For 2050 the projections point to an essentially unchanged population: about 22,124 inhabitants.
The generational balance is in line with the norm: the ageing index of Colle di Val d'Elsa is 198 (over-65s per 100 under-14s).
Colle di Val d'Elsa has grown substantially since 1951: from 12,063 inhabitants then to 21,665 in 2026, an increase of 79.6%.
By population, Colle di Val d'Elsa ranks no. 3 among the 35 municipalities of the province of Siena.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 21.533 |
| 2020 | 21.615 |
| 2021 | 21.752 |
| 2022 | 21.677 |
| 2023 | 21.635 |
| 2024 | 21.486 |
| 2025 | 21.605 |
| 2026 | 21.665 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 10.575 | 48.8% |
| Women | 11.090 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 161 |
| 2022 | 136 |
| 2023 | 150 |
| 2024 | 159 |
| 2025 | 163 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 12.063 |
| 1961 | 12.884 |
| 1971 | 14.812 |
| 1981 | 16.050 |
| 1991 | 17.040 |
| 2001 | 19.521 |
| 2011 | 21.256 |
| 2019 | 21.533 |
| 2020 | 21.615 |
| 2021 | 21.752 |
| 2022 | 21.677 |
| 2023 | 21.635 |
| 2024 | 21.486 |
| 2025 | 21.605 |
| 2026 | 21.665 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 18.844 | 43.6% |
| Married | 19.646 | 45.5% |
| Divorced | 1674 | 3.9% |
| Widowed | 3014 | 7.0% |
School-Age Population (2026)
Total 0-18 years: 3536
| Valore | |
|---|---|
| Nido (0-2) | 477 |
| Infanzia (3-5) | 480 |
| Primaria (6-10) | 877 |
| Medie (11-13) | 619 |
| Superiori (14-18) | 1083 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Colle di Val d'Elsa population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/colle-di-val-d-elsa-052012" title="Population pyramid of Colle di Val d'Elsa — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/colle-di-val-d-elsa-052012" alt="Population pyramid of Colle di Val d'Elsa — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>