Castelletto d'Orba: 1811 inhabitants (2026)
ISTAT Code: 006049
44.6856°N, 8.7023°E
Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Piemonte.
Province page
Open the full profile page for the province of Alessandria.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Piemonte ranked by average income.
Provincial population ranking
View the municipalities in the province of Alessandria ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Castelletto d'Orba: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelletto d'Orba.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelletto d'Orba.
Castelletto d'Orba is a small municipality in the province of Alessandria, Piemonte region. With a population of 1811 inhabitants and a density of 129 per km², it covers an area of 14.0 km². The average declared income is 24.010 €.
Castelletto d'Orba in numbers: the analysis
The ageing index is one of the starkest signals: in Castelletto d'Orba there are 353 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,430 inhabitants for Castelletto d'Orba: an expected decline of 21% from today.
Among the 187 municipalities of the province of Alessandria, Castelletto d'Orba ranks 30 by population.
The census record tells a story of long decline: in 1951 Castelletto d'Orba had 2,385 inhabitants; today (2026) it has 1,811 — 24.1% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1940 |
| 2020 | 1902 |
| 2021 | 1858 |
| 2022 | 1855 |
| 2023 | 1812 |
| 2024 | 1814 |
| 2025 | 1819 |
| 2026 | 1811 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 916 | 50.6% |
| Women | 895 | 49.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 6 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2385 |
| 1961 | 2084 |
| 1971 | 1913 |
| 1981 | 1833 |
| 1991 | 1849 |
| 2001 | 1891 |
| 2011 | 2096 |
| 2019 | 1940 |
| 2020 | 1902 |
| 2021 | 1858 |
| 2022 | 1855 |
| 2023 | 1812 |
| 2024 | 1814 |
| 2025 | 1819 |
| 2026 | 1811 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1468 | 40.4% |
| Married | 1608 | 44.2% |
| Divorced | 182 | 5.0% |
| Widowed | 380 | 10.4% |
School-Age Population (2026)
Total 0-18 years: 215
| Valore | |
|---|---|
| Nido (0-2) | 29 |
| Infanzia (3-5) | 28 |
| Primaria (6-10) | 59 |
| Medie (11-13) | 37 |
| Superiori (14-18) | 62 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelletto d'Orba population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelletto-d-orba-006049" title="Population pyramid of Castelletto d'Orba — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelletto-d-orba-006049" alt="Population pyramid of Castelletto d'Orba — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>