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Population & demographics
All demographic data for Leffe: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Leffe.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Leffe.
Leffe is a small municipality in the province of Bergamo, Lombardia region. With a population of 4313 inhabitants and a density of 634 per km², it covers an area of 6.8 km². The average declared income is 24.995 €.
Leffe in numbers: the analysis
Demographic projections to 2050 estimate about 3,944 inhabitants for Leffe: an expected decline of 8.6% from today.
Among the 243 municipalities of the province of Bergamo, Leffe ranks 95 by population.
Leffe has grown substantially since 1951: from 3,870 inhabitants then to 4,313 in 2026, an increase of 11.4%.
The ageing index is one of the starkest signals: in Leffe there are 296 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4427 |
| 2020 | 4417 |
| 2021 | 4300 |
| 2022 | 4308 |
| 2023 | 4311 |
| 2024 | 4330 |
| 2025 | 4307 |
| 2026 | 4313 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2145 | 49.7% |
| Women | 2168 | 50.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 25 |
| 2022 | 29 |
| 2023 | 24 |
| 2024 | 23 |
| 2025 | 29 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3870 |
| 1961 | 4737 |
| 1971 | 5273 |
| 1981 | 5309 |
| 1991 | 5106 |
| 2001 | 4940 |
| 2011 | 4671 |
| 2019 | 4427 |
| 2020 | 4417 |
| 2021 | 4300 |
| 2022 | 4308 |
| 2023 | 4311 |
| 2024 | 4330 |
| 2025 | 4307 |
| 2026 | 4313 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3462 | 40.2% |
| Married | 3936 | 45.7% |
| Divorced | 376 | 4.4% |
| Widowed | 840 | 9.8% |
School-Age Population (2026)
Total 0-18 years: 622
| Valore | |
|---|---|
| Nido (0-2) | 77 |
| Infanzia (3-5) | 79 |
| Primaria (6-10) | 156 |
| Medie (11-13) | 111 |
| Superiori (14-18) | 199 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Leffe population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/leffe-016124" title="Population pyramid of Leffe — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/leffe-016124" alt="Population pyramid of Leffe — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>