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Population & demographics
All demographic data for Mariglianella: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Mariglianella.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Mariglianella.
Mariglianella is a medium-sized municipality in the province of Napoli, Campania region. With a population of 8047 inhabitants and a density of 2507 per km², it covers an area of 3.2 km². The average declared income is 20.208 €.
Mariglianella in numbers: the analysis
Looking ahead to 2050, projections give Mariglianella about 8,815 inhabitants, up 9.5% from today.
Compared with the provincial average of Napoli (about 32,118 residents per municipality), Mariglianella is a markedly smaller centre.
Among the 92 municipalities of the province of Napoli, Mariglianella ranks 68 by population.
Mariglianella has grown substantially since 1951: from 3,689 inhabitants then to 8,047 in 2026, an increase of 118.1%.
Mariglianella is demographically young: the ageing index stops at 105 elderly residents per 100 children.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7836 |
| 2020 | 7884 |
| 2021 | 7738 |
| 2022 | 7832 |
| 2023 | 7880 |
| 2024 | 7938 |
| 2025 | 7955 |
| 2026 | 8047 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4013 | 49.9% |
| Women | 4034 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 71 |
| 2022 | 82 |
| 2023 | 77 |
| 2024 | 70 |
| 2025 | 84 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3689 |
| 1961 | 3863 |
| 1971 | 4088 |
| 1981 | 4645 |
| 1991 | 5393 |
| 2001 | 6199 |
| 2011 | 7572 |
| 2019 | 7836 |
| 2020 | 7884 |
| 2021 | 7738 |
| 2022 | 7832 |
| 2023 | 7880 |
| 2024 | 7938 |
| 2025 | 7955 |
| 2026 | 8047 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 7058 | 44.4% |
| Married | 7880 | 49.5% |
| Divorced | 212 | 1.3% |
| Widowed | 760 | 4.8% |
School-Age Population (2026)
Total 0-18 years: 1667
| Valore | |
|---|---|
| Nido (0-2) | 226 |
| Infanzia (3-5) | 229 |
| Primaria (6-10) | 452 |
| Medie (11-13) | 267 |
| Superiori (14-18) | 493 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Mariglianella population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/mariglianella-063042" title="Population pyramid of Mariglianella — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/mariglianella-063042" alt="Population pyramid of Mariglianella — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>