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Population & demographics
All demographic data for San Didero: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Didero.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Didero.
San Didero is a small municipality in the province of Torino, Piemonte region. With a population of 493 inhabitants and a density of 146 per km², it covers an area of 3.4 km². The average declared income is 25.181 €.
San Didero in numbers: the analysis
San Didero has grown substantially since 1951: from 463 inhabitants then to 493 in 2026, an increase of 6.5%.
The ageing index is one of the starkest signals: in San Didero there are 329 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 356 inhabitants for San Didero: an expected decline of 27.8% from today.
Compared with the provincial average of Torino (about 7,067 residents per municipality), San Didero is a markedly smaller centre.
Among the 312 municipalities of the province of Torino, San Didero ranks 255 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 542 |
| 2020 | 528 |
| 2021 | 512 |
| 2022 | 516 |
| 2023 | 508 |
| 2024 | 503 |
| 2025 | 497 |
| 2026 | 493 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 256 | 51.9% |
| Women | 237 | 48.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 0 |
| 2024 | 3 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 463 |
| 1961 | 402 |
| 1971 | 406 |
| 1981 | 349 |
| 1991 | 352 |
| 2001 | 430 |
| 2011 | 566 |
| 2019 | 542 |
| 2020 | 528 |
| 2021 | 512 |
| 2022 | 516 |
| 2023 | 508 |
| 2024 | 503 |
| 2025 | 497 |
| 2026 | 493 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 366 | 36.8% |
| Married | 504 | 50.7% |
| Divorced | 50 | 5.0% |
| Widowed | 74 | 7.4% |
School-Age Population (2026)
Total 0-18 years: 67
| Valore | |
|---|---|
| Nido (0-2) | 4 |
| Infanzia (3-5) | 12 |
| Primaria (6-10) | 16 |
| Medie (11-13) | 11 |
| Superiori (14-18) | 24 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Didero population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-didero-001239" title="Population pyramid of San Didero — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-didero-001239" alt="Population pyramid of San Didero — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>