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Population & demographics
All demographic data for Castelmarte: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelmarte.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Castelmarte.
Castelmarte is a small municipality in the province of Como, Lombardia region. With a population of 1267 inhabitants and a density of 678 per km², it covers an area of 1.9 km². The average declared income is 26.794 €.
Castelmarte in numbers: the analysis
Compared with the provincial average of Como (about 4,072 residents per municipality), Castelmarte is a markedly smaller centre.
Among the 147 municipalities of the province of Como, Castelmarte ranks 96 by population.
Castelmarte has grown substantially since 1951: from 577 inhabitants then to 1,267 in 2026, an increase of 119.6%.
The generational balance is in line with the norm: the ageing index of Castelmarte is 214 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 1,257 inhabitants.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1270 |
| 2020 | 1256 |
| 2021 | 1249 |
| 2022 | 1265 |
| 2023 | 1248 |
| 2024 | 1259 |
| 2025 | 1254 |
| 2026 | 1267 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 669 | 52.8% |
| Women | 598 | 47.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 577 |
| 1961 | 577 |
| 1971 | 604 |
| 1981 | 910 |
| 1991 | 1009 |
| 2001 | 1247 |
| 2011 | 1286 |
| 2019 | 1270 |
| 2020 | 1256 |
| 2021 | 1249 |
| 2022 | 1265 |
| 2023 | 1248 |
| 2024 | 1259 |
| 2025 | 1254 |
| 2026 | 1267 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1044 | 41.6% |
| Married | 1256 | 50.1% |
| Divorced | 72 | 2.9% |
| Widowed | 136 | 5.4% |
School-Age Population (2026)
Total 0-18 years: 186
| Valore | |
|---|---|
| Nido (0-2) | 21 |
| Infanzia (3-5) | 26 |
| Primaria (6-10) | 44 |
| Medie (11-13) | 40 |
| Superiori (14-18) | 55 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelmarte population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelmarte-013058" title="Population pyramid of Castelmarte — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelmarte-013058" alt="Population pyramid of Castelmarte — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>