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Population & demographics
All demographic data for Ottaviano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ottaviano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ottaviano.
Ottaviano is a medium-sized municipality in the province of Napoli, Campania region. With a population of 23.364 inhabitants and a density of 1197 per km², it covers an area of 19.5 km². The average declared income is 18.564 €.
Ottaviano in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Ottaviano is 154 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 23,021 inhabitants.
Among the 92 municipalities of the province of Napoli, Ottaviano ranks 35 by population.
Ottaviano has grown substantially since 1951: from 14,190 inhabitants then to 23,364 in 2026, an increase of 64.7%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 23.465 |
| 2020 | 23.500 |
| 2021 | 22.981 |
| 2022 | 23.064 |
| 2023 | 23.201 |
| 2024 | 23.325 |
| 2025 | 23.271 |
| 2026 | 23.364 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 11.694 | 50.1% |
| Women | 11.670 | 49.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 198 |
| 2022 | 194 |
| 2023 | 183 |
| 2024 | 174 |
| 2025 | 161 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 14.190 |
| 1961 | 16.320 |
| 1971 | 18.263 |
| 1981 | 20.147 |
| 1991 | 21.973 |
| 2001 | 22.670 |
| 2011 | 23.543 |
| 2019 | 23.465 |
| 2020 | 23.500 |
| 2021 | 22.981 |
| 2022 | 23.064 |
| 2023 | 23.201 |
| 2024 | 23.325 |
| 2025 | 23.271 |
| 2026 | 23.364 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 20.640 | 44.4% |
| Married | 22.736 | 48.9% |
| Divorced | 460 | 1.0% |
| Widowed | 2698 | 5.8% |
School-Age Population (2026)
Total 0-18 years: 4048
| Valore | |
|---|---|
| Nido (0-2) | 512 |
| Infanzia (3-5) | 576 |
| Primaria (6-10) | 1040 |
| Medie (11-13) | 643 |
| Superiori (14-18) | 1277 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ottaviano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ottaviano-063051" title="Population pyramid of Ottaviano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ottaviano-063051" alt="Population pyramid of Ottaviano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>