Castellazzo Bormida: 4519 inhabitants (2026)
ISTAT Code: 006047
44.8455°N, 8.5771°E
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Population & demographics
All demographic data for Castellazzo Bormida: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castellazzo Bormida.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Castellazzo Bormida.
Castellazzo Bormida is a small municipality in the province of Alessandria, Piemonte region. With a population of 4519 inhabitants and a density of 101 per km², it covers an area of 44.9 km². The average declared income is 23.582 €.
Castellazzo Bormida in numbers: the analysis
Looking ahead to 2050, projections give Castellazzo Bormida about 4,849 inhabitants, up 7.3% from today.
The average municipality in the province of Alessandria has about 2,182 residents: Castellazzo Bormida has 2.1 times as many.
By population, Castellazzo Bormida ranks no. 12 among the 187 municipalities of the province of Alessandria.
The census record tells a story of long decline: in 1951 Castellazzo Bormida had 5,538 inhabitants; today (2026) it has 4,519 — 18.4% fewer.
The generational balance is in line with the norm: the ageing index of Castellazzo Bormida is 218 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4427 |
| 2020 | 4356 |
| 2021 | 4389 |
| 2022 | 4435 |
| 2023 | 4462 |
| 2024 | 4441 |
| 2025 | 4483 |
| 2026 | 4519 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2292 | 50.7% |
| Women | 2227 | 49.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 33 |
| 2023 | 16 |
| 2024 | 33 |
| 2025 | 30 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5538 |
| 1961 | 5557 |
| 1971 | 5148 |
| 1981 | 4671 |
| 1991 | 4248 |
| 2001 | 4268 |
| 2011 | 4566 |
| 2019 | 4427 |
| 2020 | 4356 |
| 2021 | 4389 |
| 2022 | 4435 |
| 2023 | 4462 |
| 2024 | 4441 |
| 2025 | 4483 |
| 2026 | 4519 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3892 | 43.4% |
| Married | 3954 | 44.1% |
| Divorced | 388 | 4.3% |
| Widowed | 732 | 8.2% |
School-Age Population (2026)
Total 0-18 years: 698
| Valore | |
|---|---|
| Nido (0-2) | 81 |
| Infanzia (3-5) | 102 |
| Primaria (6-10) | 183 |
| Medie (11-13) | 131 |
| Superiori (14-18) | 201 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castellazzo Bormida population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castellazzo-bormida-006047" title="Population pyramid of Castellazzo Bormida — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castellazzo-bormida-006047" alt="Population pyramid of Castellazzo Bormida — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>