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Population & demographics
All demographic data for Casamarciano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Casamarciano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Casamarciano.
Casamarciano is a small municipality in the province of Napoli, Campania region. With a population of 2990 inhabitants and a density of 438 per km², it covers an area of 6.8 km². The average declared income is 20.092 €.
Casamarciano in numbers: the analysis
Casamarciano has grown substantially since 1951: from 1,981 inhabitants then to 2,990 in 2026, an increase of 50.9%.
The generational balance is in line with the norm: the ageing index of Casamarciano is 247 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 2,317 inhabitants for Casamarciano: an expected decline of 22.5% from today.
Compared with the provincial average of Napoli (about 32,118 residents per municipality), Casamarciano is a markedly smaller centre.
Among the 92 municipalities of the province of Napoli, Casamarciano ranks 89 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3221 |
| 2020 | 3208 |
| 2021 | 3112 |
| 2022 | 3048 |
| 2023 | 3058 |
| 2024 | 3021 |
| 2025 | 3004 |
| 2026 | 2990 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1489 | 49.8% |
| Women | 1501 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 17 |
| 2022 | 19 |
| 2023 | 16 |
| 2024 | 21 |
| 2025 | 21 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1981 |
| 1961 | 2098 |
| 1971 | 2216 |
| 1981 | 3549 |
| 1991 | 3589 |
| 2001 | 3283 |
| 2011 | 3272 |
| 2019 | 3221 |
| 2020 | 3208 |
| 2021 | 3112 |
| 2022 | 3048 |
| 2023 | 3058 |
| 2024 | 3021 |
| 2025 | 3004 |
| 2026 | 2990 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2514 | 41.8% |
| Married | 2932 | 48.8% |
| Divorced | 142 | 2.4% |
| Widowed | 420 | 7.0% |
School-Age Population (2026)
Total 0-18 years: 421
| Valore | |
|---|---|
| Nido (0-2) | 61 |
| Infanzia (3-5) | 47 |
| Primaria (6-10) | 101 |
| Medie (11-13) | 64 |
| Superiori (14-18) | 148 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Casamarciano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/casamarciano-063018" title="Population pyramid of Casamarciano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/casamarciano-063018" alt="Population pyramid of Casamarciano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>