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Population & demographics
All demographic data for Colleretto Castelnuovo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Colleretto Castelnuovo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Colleretto Castelnuovo.
Colleretto Castelnuovo is a small municipality in the province of Torino, Piemonte region. With a population of 354 inhabitants and a density of 57 per km², it covers an area of 6.3 km². The average declared income is 21.116 €.
Colleretto Castelnuovo in numbers: the analysis
Compared with the provincial average of Torino (about 7,067 residents per municipality), Colleretto Castelnuovo is a markedly smaller centre.
Among the 312 municipalities of the province of Torino, Colleretto Castelnuovo ranks 279 by population.
The census record tells a story of long decline: in 1951 Colleretto Castelnuovo had 511 inhabitants; today (2026) it has 354 — 30.7% fewer.
The ageing index is one of the starkest signals: in Colleretto Castelnuovo there are 300 residents over 65 for every 100 under 14, well above the national average.
Looking ahead to 2050, projections give Colleretto Castelnuovo about 540 inhabitants, up 52.5% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 313 |
| 2020 | 299 |
| 2021 | 312 |
| 2022 | 312 |
| 2023 | 326 |
| 2024 | 331 |
| 2025 | 324 |
| 2026 | 354 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 186 | 52.5% |
| Women | 168 | 47.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 511 |
| 1961 | 464 |
| 1971 | 427 |
| 1981 | 396 |
| 1991 | 311 |
| 2001 | 316 |
| 2011 | 347 |
| 2019 | 313 |
| 2020 | 299 |
| 2021 | 312 |
| 2022 | 312 |
| 2023 | 326 |
| 2024 | 331 |
| 2025 | 324 |
| 2026 | 354 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 282 | 43.5% |
| Married | 292 | 45.1% |
| Divorced | 30 | 4.6% |
| Widowed | 44 | 6.8% |
School-Age Population (2026)
Total 0-18 years: 44
| Valore | |
|---|---|
| Nido (0-2) | 5 |
| Infanzia (3-5) | 9 |
| Primaria (6-10) | 11 |
| Medie (11-13) | 4 |
| Superiori (14-18) | 15 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Colleretto Castelnuovo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/colleretto-castelnuovo-001091" title="Population pyramid of Colleretto Castelnuovo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/colleretto-castelnuovo-001091" alt="Population pyramid of Colleretto Castelnuovo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>