Ottiglio: 532 inhabitants (2026)
ISTAT Code: 006120
45.0518°N, 8.3391°E
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Population & demographics
All demographic data for Ottiglio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ottiglio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ottiglio.
Ottiglio is a small municipality in the province of Alessandria, Piemonte region. With a population of 532 inhabitants and a density of 37 per km², it covers an area of 14.5 km². The average declared income is 21.093 €.
Ottiglio in numbers: the analysis
The census record tells a story of long decline: in 1951 Ottiglio had 1,718 inhabitants; today (2026) it has 532 — 69% fewer.
Among the 187 municipalities of the province of Alessandria, Ottiglio ranks 110 by population.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Ottiglio is a markedly smaller centre.
Demographic projections to 2050 estimate about 337 inhabitants for Ottiglio: an expected decline of 36.7% from today.
The ageing index is one of the starkest signals: in Ottiglio there are 433 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 608 |
| 2020 | 614 |
| 2021 | 592 |
| 2022 | 594 |
| 2023 | 585 |
| 2024 | 563 |
| 2025 | 543 |
| 2026 | 532 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 273 | 51.3% |
| Women | 259 | 48.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1718 |
| 1961 | 1393 |
| 1971 | 1058 |
| 1981 | 837 |
| 1991 | 724 |
| 2001 | 659 |
| 2011 | 672 |
| 2019 | 608 |
| 2020 | 614 |
| 2021 | 592 |
| 2022 | 594 |
| 2023 | 585 |
| 2024 | 563 |
| 2025 | 543 |
| 2026 | 532 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 430 | 39.6% |
| Married | 502 | 46.2% |
| Divorced | 58 | 5.3% |
| Widowed | 96 | 8.8% |
School-Age Population (2026)
Total 0-18 years: 58
| Valore | |
|---|---|
| Nido (0-2) | 8 |
| Infanzia (3-5) | 6 |
| Primaria (6-10) | 16 |
| Medie (11-13) | 7 |
| Superiori (14-18) | 21 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ottiglio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ottiglio-006120" title="Population pyramid of Ottiglio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ottiglio-006120" alt="Population pyramid of Ottiglio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>