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Population & demographics
All demographic data for Forio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Forio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Forio.
Forio is a medium-sized municipality in the province of Napoli, Campania region. With a population of 17.464 inhabitants and a density of 1346 per km², it covers an area of 13.0 km². The average declared income is 20.766 €.
Forio in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Forio is 166 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 17,396 inhabitants.
Compared with the provincial average of Napoli (about 32,118 residents per municipality), Forio is a markedly smaller centre.
Among the 92 municipalities of the province of Napoli, Forio ranks 42 by population.
Forio has grown substantially since 1951: from 6,603 inhabitants then to 17,464 in 2026, an increase of 164.5%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 17.484 |
| 2020 | 17.510 |
| 2021 | 17.410 |
| 2022 | 17.456 |
| 2023 | 17.460 |
| 2024 | 17.477 |
| 2025 | 17.531 |
| 2026 | 17.464 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 8706 | 49.9% |
| Women | 8758 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 143 |
| 2022 | 111 |
| 2023 | 135 |
| 2024 | 131 |
| 2025 | 100 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 6603 |
| 1961 | 7209 |
| 1971 | 8142 |
| 1981 | 9642 |
| 1991 | 11.526 |
| 2001 | 14.554 |
| 2011 | 16.597 |
| 2019 | 17.484 |
| 2020 | 17.510 |
| 2021 | 17.410 |
| 2022 | 17.456 |
| 2023 | 17.460 |
| 2024 | 17.477 |
| 2025 | 17.531 |
| 2026 | 17.464 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 16.462 | 47.0% |
| Married | 15.694 | 44.8% |
| Divorced | 1032 | 2.9% |
| Widowed | 1874 | 5.3% |
School-Age Population (2026)
Total 0-18 years: 2928
| Valore | |
|---|---|
| Nido (0-2) | 353 |
| Infanzia (3-5) | 377 |
| Primaria (6-10) | 773 |
| Medie (11-13) | 511 |
| Superiori (14-18) | 914 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Forio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/forio-063031" title="Population pyramid of Forio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/forio-063031" alt="Population pyramid of Forio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>