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Population & demographics
All demographic data for Castelnuovo Nigra: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelnuovo Nigra.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelnuovo Nigra.
Castelnuovo Nigra is a small municipality in the province of Torino, Piemonte region. With a population of 417 inhabitants and a density of 15 per km², it covers an area of 28.2 km². The average declared income is 24.067 €.
Castelnuovo Nigra in numbers: the analysis
The ageing index is one of the starkest signals: in Castelnuovo Nigra there are 486 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 369 inhabitants for Castelnuovo Nigra: an expected decline of 11.5% from today.
Compared with the provincial average of Torino (about 7,067 residents per municipality), Castelnuovo Nigra is a markedly smaller centre.
Among the 312 municipalities of the province of Torino, Castelnuovo Nigra ranks 268 by population.
The census record tells a story of long decline: in 1951 Castelnuovo Nigra had 1,150 inhabitants; today (2026) it has 417 — 63.7% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 432 |
| 2020 | 416 |
| 2021 | 416 |
| 2022 | 401 |
| 2023 | 407 |
| 2024 | 397 |
| 2025 | 407 |
| 2026 | 417 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 221 | 53.0% |
| Women | 196 | 47.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 0 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1150 |
| 1961 | 874 |
| 1971 | 693 |
| 1981 | 584 |
| 1991 | 492 |
| 2001 | 440 |
| 2011 | 417 |
| 2019 | 432 |
| 2020 | 416 |
| 2021 | 416 |
| 2022 | 401 |
| 2023 | 407 |
| 2024 | 397 |
| 2025 | 407 |
| 2026 | 417 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 360 | 44.2% |
| Married | 318 | 39.1% |
| Divorced | 46 | 5.7% |
| Widowed | 90 | 11.1% |
School-Age Population (2026)
Total 0-18 years: 41
| Valore | |
|---|---|
| Nido (0-2) | 7 |
| Infanzia (3-5) | 4 |
| Primaria (6-10) | 10 |
| Medie (11-13) | 7 |
| Superiori (14-18) | 13 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelnuovo Nigra population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelnuovo-nigra-001067" title="Population pyramid of Castelnuovo Nigra — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelnuovo-nigra-001067" alt="Population pyramid of Castelnuovo Nigra — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>