














Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Piemonte.
Province page
Open the full profile page for the province of Biella.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Piemonte ranked by average income.
Provincial population ranking
View the municipalities in the province of Biella ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
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.
Environment & air quality
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>