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Population & demographics
All demographic data for Gaglianico: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gaglianico.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gaglianico.
Gaglianico is a small municipality in the province of Biella, Piemonte region. With a population of 3803 inhabitants and a density of 832 per km², it covers an area of 4.6 km². The average declared income is 24.414 €.
Gaglianico in numbers: the analysis
Gaglianico has grown substantially since 1951: from 1,959 inhabitants then to 3,803 in 2026, an increase of 94.1%.
The ageing index is one of the starkest signals: in Gaglianico there are 312 residents over 65 for every 100 under 14, well above the national average.
Looking ahead to 2050, projections give Gaglianico about 4,098 inhabitants, up 7.8% from today.
The average municipality in the province of Biella has about 2,273 residents: Gaglianico has 1.7 times as many.
By population, Gaglianico ranks no. 6 among the 74 municipalities of the province of Biella.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3721 |
| 2020 | 3763 |
| 2021 | 3710 |
| 2022 | 3741 |
| 2023 | 3793 |
| 2024 | 3813 |
| 2025 | 3800 |
| 2026 | 3803 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1814 | 47.7% |
| Women | 1989 | 52.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 23 |
| 2022 | 22 |
| 2023 | 30 |
| 2024 | 23 |
| 2025 | 24 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1959 |
| 1961 | 2441 |
| 1971 | 3749 |
| 1981 | 4148 |
| 1991 | 3934 |
| 2001 | 3837 |
| 2011 | 3899 |
| 2019 | 3721 |
| 2020 | 3763 |
| 2021 | 3710 |
| 2022 | 3741 |
| 2023 | 3793 |
| 2024 | 3813 |
| 2025 | 3800 |
| 2026 | 3803 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3220 | 42.4% |
| Married | 3212 | 42.3% |
| Divorced | 438 | 5.8% |
| Widowed | 730 | 9.6% |
School-Age Population (2026)
Total 0-18 years: 479
| Valore | |
|---|---|
| Nido (0-2) | 73 |
| Infanzia (3-5) | 73 |
| Primaria (6-10) | 119 |
| Medie (11-13) | 79 |
| Superiori (14-18) | 135 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gaglianico population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gaglianico-096026" title="Population pyramid of Gaglianico — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gaglianico-096026" alt="Population pyramid of Gaglianico — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>