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Population & demographics
All demographic data for Somma Vesuviana: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Somma Vesuviana.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Somma Vesuviana.
Somma Vesuviana is a medium-sized municipality in the province of Napoli, Campania region. With a population of 33.225 inhabitants and a density of 1058 per km², it covers an area of 31.4 km². The average declared income is 19.326 €.
Somma Vesuviana in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Somma Vesuviana is 151 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 29,605 inhabitants for Somma Vesuviana: an expected decline of 10.9% from today.
Few municipalities in Campania are larger: it ranks no. 35 by population out of 550.
Among the 92 municipalities of the province of Napoli, Somma Vesuviana ranks 21 by population.
Somma Vesuviana has grown substantially since 1951: from 16,466 inhabitants then to 33,225 in 2026, an increase of 101.8%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 34.362 |
| 2020 | 34.267 |
| 2021 | 33.881 |
| 2022 | 33.935 |
| 2023 | 33.721 |
| 2024 | 33.557 |
| 2025 | 33.427 |
| 2026 | 33.225 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 16.189 | 48.7% |
| Women | 17.036 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 255 |
| 2022 | 261 |
| 2023 | 264 |
| 2024 | 261 |
| 2025 | 249 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.466 |
| 1961 | 17.887 |
| 1971 | 19.973 |
| 1981 | 23.433 |
| 1991 | 29.079 |
| 2001 | 33.261 |
| 2011 | 34.592 |
| 2019 | 34.362 |
| 2020 | 34.267 |
| 2021 | 33.881 |
| 2022 | 33.935 |
| 2023 | 33.721 |
| 2024 | 33.557 |
| 2025 | 33.427 |
| 2026 | 33.225 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 29.320 | 43.9% |
| Married | 32.784 | 49.0% |
| Divorced | 932 | 1.4% |
| Widowed | 3812 | 5.7% |
School-Age Population (2026)
Total 0-18 years: 5931
| Valore | |
|---|---|
| Nido (0-2) | 780 |
| Infanzia (3-5) | 777 |
| Primaria (6-10) | 1461 |
| Medie (11-13) | 913 |
| Superiori (14-18) | 2000 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Somma Vesuviana population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/somma-vesuviana-063079" title="Population pyramid of Somma Vesuviana — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/somma-vesuviana-063079" alt="Population pyramid of Somma Vesuviana — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>