Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Campania.
Province page
Open the full profile page for the province of Napoli.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Campania ranked by average income.
Provincial population ranking
View the municipalities in the province of Napoli ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Ischia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ischia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Ischia.
Ischia is a medium-sized municipality in the province of Napoli, Campania region. With a population of 19.415 inhabitants and a density of 2229 per km², it covers an area of 8.7 km². The average declared income is 20.882 €.
Ischia in numbers: the analysis
Ischia has grown substantially since 1951: from 10,385 inhabitants then to 19,415 in 2026, an increase of 87%.
The generational balance is in line with the norm: the ageing index of Ischia is 208 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 19,241 inhabitants.
Compared with the provincial average of Napoli (about 32,118 residents per municipality), Ischia is a markedly smaller centre.
Among the 92 municipalities of the province of Napoli, Ischia ranks 39 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 19.466 |
| 2020 | 19.501 |
| 2021 | 19.602 |
| 2022 | 19.542 |
| 2023 | 19.625 |
| 2024 | 19.600 |
| 2025 | 19.492 |
| 2026 | 19.415 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 9620 | 49.5% |
| Women | 9795 | 50.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 129 |
| 2022 | 140 |
| 2023 | 126 |
| 2024 | 117 |
| 2025 | 110 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 10.385 |
| 1961 | 11.416 |
| 1971 | 14.339 |
| 1981 | 16.038 |
| 1991 | 16.013 |
| 2001 | 18.253 |
| 2011 | 18.688 |
| 2019 | 19.466 |
| 2020 | 19.501 |
| 2021 | 19.602 |
| 2022 | 19.542 |
| 2023 | 19.625 |
| 2024 | 19.600 |
| 2025 | 19.492 |
| 2026 | 19.415 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 17.216 | 44.2% |
| Married | 18.232 | 46.8% |
| Divorced | 1074 | 2.8% |
| Widowed | 2462 | 6.3% |
School-Age Population (2026)
Total 0-18 years: 3001
| Valore | |
|---|---|
| Nido (0-2) | 349 |
| Infanzia (3-5) | 408 |
| Primaria (6-10) | 766 |
| Medie (11-13) | 515 |
| Superiori (14-18) | 963 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ischia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ischia-063037" title="Population pyramid of Ischia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ischia-063037" alt="Population pyramid of Ischia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>