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ISTAT Code: 006156
44.7859°N, 8.9189°E
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Population & demographics
All demographic data for Sant'Agata Fossili: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sant'Agata Fossili.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sant'Agata Fossili.
Sant'Agata Fossili is a small municipality in the province of Alessandria, Piemonte region. With a population of 337 inhabitants and a density of 46 per km², it covers an area of 7.3 km². The average declared income is 23.809 €.
Sant'Agata Fossili in numbers: the analysis
The ageing index is one of the starkest signals: in Sant'Agata Fossili there are 763 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 192 inhabitants for Sant'Agata Fossili: an expected decline of 43% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Sant'Agata Fossili is a markedly smaller centre.
Among the 187 municipalities of the province of Alessandria, Sant'Agata Fossili ranks 146 by population.
The census record tells a story of long decline: in 1951 Sant'Agata Fossili had 703 inhabitants; today (2026) it has 337 — 52.1% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 397 |
| 2020 | 382 |
| 2021 | 368 |
| 2022 | 367 |
| 2023 | 364 |
| 2024 | 364 |
| 2025 | 349 |
| 2026 | 337 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 171 | 50.7% |
| Women | 166 | 49.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 703 |
| 1961 | 599 |
| 1971 | 486 |
| 1981 | 402 |
| 1991 | 362 |
| 2001 | 413 |
| 2011 | 441 |
| 2019 | 397 |
| 2020 | 382 |
| 2021 | 368 |
| 2022 | 367 |
| 2023 | 364 |
| 2024 | 364 |
| 2025 | 349 |
| 2026 | 337 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 248 | 35.5% |
| Married | 318 | 45.6% |
| Divorced | 50 | 7.2% |
| Widowed | 82 | 11.7% |
School-Age Population (2026)
Total 0-18 years: 22
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 2 |
| Primaria (6-10) | 9 |
| Medie (11-13) | 2 |
| Superiori (14-18) | 7 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sant'Agata Fossili population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sant-agata-fossili-006156" title="Population pyramid of Sant'Agata Fossili — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sant-agata-fossili-006156" alt="Population pyramid of Sant'Agata Fossili — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>