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Population & demographics
All demographic data for Castellammare di Stabia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castellammare di Stabia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castellammare di Stabia.
Castellammare di Stabia is a large municipality in the province of Napoli, Campania region. With a population of 61.937 inhabitants and a density of 3572 per km², it covers an area of 17.3 km². The average declared income is 21.591 €.
Castellammare di Stabia in numbers: the analysis
Few municipalities in Campania are larger: it ranks no. 8 by population out of 550.
By population, Castellammare di Stabia ranks no. 6 among the 92 municipalities of the province of Napoli.
Castellammare di Stabia has grown substantially since 1951: from 56,254 inhabitants then to 61,937 in 2026, an increase of 10.1%.
The generational balance is in line with the norm: the ageing index of Castellammare di Stabia is 173 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 52,759 inhabitants for Castellammare di Stabia: an expected decline of 14.8% from today.
The average municipality in the province of Napoli has about 32,118 residents: Castellammare di Stabia has 1.9 times as many.
Castellammare di Stabia is among Italy's major centres: the country's no. 94 municipality by population out of 7896.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 64.903 |
| 2020 | 64.466 |
| 2021 | 63.694 |
| 2022 | 63.330 |
| 2023 | 62.917 |
| 2024 | 62.471 |
| 2025 | 62.320 |
| 2026 | 61.937 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 29.625 | 47.8% |
| Women | 32.312 | 52.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 502 |
| 2022 | 493 |
| 2023 | 509 |
| 2024 | 517 |
| 2025 | 413 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 56.254 |
| 1961 | 64.618 |
| 1971 | 68.629 |
| 1981 | 70.685 |
| 1991 | 68.733 |
| 2001 | 66.929 |
| 2011 | 65.944 |
| 2019 | 64.903 |
| 2020 | 64.466 |
| 2021 | 63.694 |
| 2022 | 63.330 |
| 2023 | 62.917 |
| 2024 | 62.471 |
| 2025 | 62.320 |
| 2026 | 61.937 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 53.766 | 43.1% |
| Married | 58.458 | 46.9% |
| Divorced | 3114 | 2.5% |
| Widowed | 9286 | 7.5% |
School-Age Population (2026)
Total 0-18 years: 10.926
| Valore | |
|---|---|
| Nido (0-2) | 1429 |
| Infanzia (3-5) | 1453 |
| Primaria (6-10) | 2751 |
| Medie (11-13) | 1785 |
| Superiori (14-18) | 3508 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castellammare di Stabia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castellammare-di-stabia-063024" title="Population pyramid of Castellammare di Stabia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castellammare-di-stabia-063024" alt="Population pyramid of Castellammare di Stabia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>