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Population & demographics
All demographic data for Quarto: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Quarto.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Quarto.
Quarto is a medium-sized municipality in the province of Napoli, Campania region. With a population of 41.531 inhabitants and a density of 2823 per km², it covers an area of 14.7 km². The average declared income is 19.507 €.
Quarto in numbers: the analysis
Looking ahead to 2050, projections give Quarto about 50,525 inhabitants, up 21.7% from today.
Quarto is among Italy's major centres: the country's no. 193 municipality by population out of 7896.
Few municipalities in Campania are larger: it ranks no. 23 by population out of 550.
Among the 92 municipalities of the province of Napoli, Quarto ranks 14 by population.
Quarto has grown substantially since 1951: from 5,250 inhabitants then to 41,531 in 2026, an increase of 691.1%.
The generational balance is in line with the norm: the ageing index of Quarto is 124 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 39.223 |
| 2020 | 39.451 |
| 2021 | 40.819 |
| 2022 | 41.290 |
| 2023 | 41.385 |
| 2024 | 41.330 |
| 2025 | 41.536 |
| 2026 | 41.531 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 20.331 | 49.0% |
| Women | 21.200 | 51.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 398 |
| 2022 | 401 |
| 2023 | 349 |
| 2024 | 383 |
| 2025 | 344 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5250 |
| 1961 | 6686 |
| 1971 | 8295 |
| 1981 | 18.741 |
| 1991 | 30.587 |
| 2001 | 36.543 |
| 2011 | 39.221 |
| 2019 | 39.223 |
| 2020 | 39.451 |
| 2021 | 40.819 |
| 2022 | 41.290 |
| 2023 | 41.385 |
| 2024 | 41.330 |
| 2025 | 41.536 |
| 2026 | 41.531 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 37.302 | 44.9% |
| Married | 39.978 | 48.1% |
| Divorced | 1454 | 1.8% |
| Widowed | 4318 | 5.2% |
School-Age Population (2026)
Total 0-18 years: 8353
| Valore | |
|---|---|
| Nido (0-2) | 1079 |
| Infanzia (3-5) | 1179 |
| Primaria (6-10) | 2235 |
| Medie (11-13) | 1389 |
| Superiori (14-18) | 2471 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Quarto population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/quarto-063063" title="Population pyramid of Quarto — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/quarto-063063" alt="Population pyramid of Quarto — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>