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Population & demographics
All demographic data for Castro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castro.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castro.
Castro is a small municipality in the province of Bergamo, Lombardia region. With a population of 1191 inhabitants and a density of 438 per km², it covers an area of 2.7 km². The average declared income is 24.682 €.
Castro in numbers: the analysis
Demographic projections to 2050 estimate about 899 inhabitants for Castro: an expected decline of 24.5% from today.
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Castro is a markedly smaller centre.
Among the 243 municipalities of the province of Bergamo, Castro ranks 174 by population.
The census record tells a story of long decline: in 1951 Castro had 1,736 inhabitants; today (2026) it has 1,191 — 31.4% fewer.
The ageing index is one of the starkest signals: in Castro there are 388 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1293 |
| 2020 | 1286 |
| 2021 | 1258 |
| 2022 | 1232 |
| 2023 | 1214 |
| 2024 | 1207 |
| 2025 | 1202 |
| 2026 | 1191 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 596 | 50.0% |
| Women | 595 | 50.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1736 |
| 1961 | 1601 |
| 1971 | 1558 |
| 1981 | 1574 |
| 1991 | 1429 |
| 2001 | 1416 |
| 2011 | 1383 |
| 2019 | 1293 |
| 2020 | 1286 |
| 2021 | 1258 |
| 2022 | 1232 |
| 2023 | 1214 |
| 2024 | 1207 |
| 2025 | 1202 |
| 2026 | 1191 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 948 | 39.4% |
| Married | 1122 | 46.7% |
| Divorced | 126 | 5.2% |
| Widowed | 208 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 139
| Valore | |
|---|---|
| Nido (0-2) | 15 |
| Infanzia (3-5) | 18 |
| Primaria (6-10) | 33 |
| Medie (11-13) | 23 |
| Superiori (14-18) | 50 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castro-016065" title="Population pyramid of Castro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castro-016065" alt="Population pyramid of Castro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>