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Population & demographics
All demographic data for Oleggio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Oleggio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Oleggio.
Oleggio is a medium-sized municipality in the province of Novara, Piemonte region. With a population of 14.270 inhabitants and a density of 377 per km², it covers an area of 37.8 km². The average declared income is 26.737 €.
Oleggio in numbers: the analysis
Oleggio has grown substantially since 1951: from 8,591 inhabitants then to 14,270 in 2026, an increase of 66.1%.
The generational balance is in line with the norm: the ageing index of Oleggio is 204 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 14,894 inhabitants.
The average municipality in the province of Novara has about 4,206 residents: Oleggio has 3.4 times as many.
Few municipalities in Piemonte are larger: it ranks no. 48 by population out of 1180.
By population, Oleggio ranks no. 5 among the 87 municipalities of the province of Novara.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 14.093 |
| 2020 | 14.157 |
| 2021 | 14.148 |
| 2022 | 14.204 |
| 2023 | 14.249 |
| 2024 | 14.210 |
| 2025 | 14.241 |
| 2026 | 14.270 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 7043 | 49.4% |
| Women | 7227 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 94 |
| 2022 | 93 |
| 2023 | 81 |
| 2024 | 86 |
| 2025 | 94 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 8591 |
| 1961 | 9398 |
| 1971 | 10.158 |
| 1981 | 11.164 |
| 1991 | 11.314 |
| 2001 | 12.191 |
| 2011 | 13.650 |
| 2019 | 14.093 |
| 2020 | 14.157 |
| 2021 | 14.148 |
| 2022 | 14.204 |
| 2023 | 14.249 |
| 2024 | 14.210 |
| 2025 | 14.241 |
| 2026 | 14.270 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 12.046 | 42.3% |
| Married | 13.104 | 46.0% |
| Divorced | 1234 | 4.3% |
| Widowed | 2098 | 7.4% |
School-Age Population (2026)
Total 0-18 years: 2348
| Valore | |
|---|---|
| Nido (0-2) | 259 |
| Infanzia (3-5) | 297 |
| Primaria (6-10) | 633 |
| Medie (11-13) | 398 |
| Superiori (14-18) | 761 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Oleggio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/oleggio-003108" title="Population pyramid of Oleggio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/oleggio-003108" alt="Population pyramid of Oleggio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>