Spigno Monferrato: 887 inhabitants (2026)
ISTAT Code: 006165
44.5430°N, 8.3353°E
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Population & demographics
All demographic data for Spigno Monferrato: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Spigno Monferrato.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Spigno Monferrato.
Spigno Monferrato is a small municipality in the province of Alessandria, Piemonte region. With a population of 887 inhabitants and a density of 16 per km², it covers an area of 53.8 km². The average declared income is 19.960 €.
Spigno Monferrato in numbers: the analysis
Among the 187 municipalities of the province of Alessandria, Spigno Monferrato ranks 79 by population.
The census record tells a story of long decline: in 1951 Spigno Monferrato had 3,183 inhabitants; today (2026) it has 887 — 72.1% fewer.
The ageing index is one of the starkest signals: in Spigno Monferrato there are 522 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 576 inhabitants for Spigno Monferrato: an expected decline of 35.1% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Spigno Monferrato is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1006 |
| 2020 | 974 |
| 2021 | 956 |
| 2022 | 923 |
| 2023 | 901 |
| 2024 | 903 |
| 2025 | 898 |
| 2026 | 887 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 446 | 50.3% |
| Women | 441 | 49.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3183 |
| 1961 | 2649 |
| 1971 | 2066 |
| 1981 | 1728 |
| 1991 | 1403 |
| 2001 | 1216 |
| 2011 | 1126 |
| 2019 | 1006 |
| 2020 | 974 |
| 2021 | 956 |
| 2022 | 923 |
| 2023 | 901 |
| 2024 | 903 |
| 2025 | 898 |
| 2026 | 887 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 674 | 37.5% |
| Married | 830 | 46.2% |
| Divorced | 78 | 4.3% |
| Widowed | 214 | 11.9% |
School-Age Population (2026)
Total 0-18 years: 91
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 12 |
| Primaria (6-10) | 22 |
| Medie (11-13) | 11 |
| Superiori (14-18) | 34 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Spigno Monferrato population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/spigno-monferrato-006165" title="Population pyramid of Spigno Monferrato — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/spigno-monferrato-006165" alt="Population pyramid of Spigno Monferrato — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>