Trisobbio: 621 inhabitants (2026)
ISTAT Code: 006176
44.6623°N, 8.5863°E
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Population & demographics
All demographic data for Trisobbio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Trisobbio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Trisobbio.
Trisobbio is a small municipality in the province of Alessandria, Piemonte region. With a population of 621 inhabitants and a density of 72 per km², it covers an area of 8.6 km². The average declared income is 25.681 €.
Trisobbio in numbers: the analysis
The census record tells a story of long decline: in 1951 Trisobbio had 1,095 inhabitants; today (2026) it has 621 — 43.3% fewer.
The ageing index is one of the starkest signals: in Trisobbio there are 533 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 462 inhabitants for Trisobbio: an expected decline of 25.6% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Trisobbio is a markedly smaller centre.
Among the 187 municipalities of the province of Alessandria, Trisobbio ranks 101 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 677 |
| 2020 | 675 |
| 2021 | 670 |
| 2022 | 667 |
| 2023 | 652 |
| 2024 | 647 |
| 2025 | 636 |
| 2026 | 621 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 311 | 50.1% |
| Women | 310 | 49.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1095 |
| 1961 | 990 |
| 1971 | 798 |
| 1981 | 664 |
| 1991 | 646 |
| 2001 | 682 |
| 2011 | 671 |
| 2019 | 677 |
| 2020 | 675 |
| 2021 | 670 |
| 2022 | 667 |
| 2023 | 652 |
| 2024 | 647 |
| 2025 | 636 |
| 2026 | 621 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 480 | 37.7% |
| Married | 578 | 45.4% |
| Divorced | 86 | 6.8% |
| Widowed | 128 | 10.1% |
School-Age Population (2026)
Total 0-18 years: 65
| Valore | |
|---|---|
| Nido (0-2) | 6 |
| Infanzia (3-5) | 6 |
| Primaria (6-10) | 12 |
| Medie (11-13) | 10 |
| Superiori (14-18) | 31 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Trisobbio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/trisobbio-006176" title="Population pyramid of Trisobbio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/trisobbio-006176" alt="Population pyramid of Trisobbio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>