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Population & demographics
All demographic data for Gazzaniga: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gazzaniga.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gazzaniga.
Gazzaniga is a small municipality in the province of Bergamo, Lombardia region. With a population of 4976 inhabitants and a density of 341 per km², it covers an area of 14.6 km². The average declared income is 23.182 €.
Gazzaniga in numbers: the analysis
The ageing index is one of the starkest signals: in Gazzaniga there are 255 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Gazzaniga had 5,264 inhabitants; today (2026) it has 4,976 — 5.5% fewer.
Among the 243 municipalities of the province of Bergamo, Gazzaniga ranks 76 by population.
For 2050 the projections point to an essentially unchanged population: about 4,905 inhabitants.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4997 |
| 2020 | 4989 |
| 2021 | 4934 |
| 2022 | 4928 |
| 2023 | 4894 |
| 2024 | 4923 |
| 2025 | 4936 |
| 2026 | 4976 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2419 | 48.6% |
| Women | 2557 | 51.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 32 |
| 2023 | 28 |
| 2024 | 28 |
| 2025 | 28 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5264 |
| 1961 | 5104 |
| 1971 | 5216 |
| 1981 | 5191 |
| 1991 | 4853 |
| 2001 | 4968 |
| 2011 | 5160 |
| 2019 | 4997 |
| 2020 | 4989 |
| 2021 | 4934 |
| 2022 | 4928 |
| 2023 | 4894 |
| 2024 | 4923 |
| 2025 | 4936 |
| 2026 | 4976 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4478 | 45.4% |
| Married | 4040 | 40.9% |
| Divorced | 484 | 4.9% |
| Widowed | 870 | 8.8% |
School-Age Population (2026)
Total 0-18 years: 742
| Valore | |
|---|---|
| Nido (0-2) | 85 |
| Infanzia (3-5) | 93 |
| Primaria (6-10) | 178 |
| Medie (11-13) | 131 |
| Superiori (14-18) | 255 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gazzaniga population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gazzaniga-016111" title="Population pyramid of Gazzaniga — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gazzaniga-016111" alt="Population pyramid of Gazzaniga — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>