Treville: 263 inhabitants (2026)
ISTAT Code: 006175
45.0971°N, 8.3598°E
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Population & demographics
All demographic data for Treville: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Treville.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Treville.
Treville is a small municipality in the province of Alessandria, Piemonte region. With a population of 263 inhabitants and a density of 56 per km², it covers an area of 4.7 km². The average declared income is 25.204 €.
Treville in numbers: the analysis
The ageing index is one of the starkest signals: in Treville there are 500 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 210 inhabitants for Treville: an expected decline of 20.2% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Treville is a markedly smaller centre.
Among the 187 municipalities of the province of Alessandria, Treville ranks 163 by population.
The census record tells a story of long decline: in 1951 Treville had 602 inhabitants; today (2026) it has 263 — 56.3% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 281 |
| 2020 | 273 |
| 2021 | 268 |
| 2022 | 258 |
| 2023 | 260 |
| 2024 | 267 |
| 2025 | 265 |
| 2026 | 263 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 131 | 49.8% |
| Women | 132 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 602 |
| 1961 | 452 |
| 1971 | 355 |
| 1981 | 335 |
| 1991 | 296 |
| 2001 | 280 |
| 2011 | 271 |
| 2019 | 281 |
| 2020 | 273 |
| 2021 | 268 |
| 2022 | 258 |
| 2023 | 260 |
| 2024 | 267 |
| 2025 | 265 |
| 2026 | 263 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 194 | 36.6% |
| Married | 252 | 47.5% |
| Divorced | 42 | 7.9% |
| Widowed | 42 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 26
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 1 |
| Primaria (6-10) | 8 |
| Medie (11-13) | 4 |
| Superiori (14-18) | 11 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Treville population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/treville-006175" title="Population pyramid of Treville — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/treville-006175" alt="Population pyramid of Treville — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>