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Population & demographics
All demographic data for Lenna: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Lenna.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Lenna.
Lenna is a small municipality in the province of Bergamo, Lombardia region. With a population of 549 inhabitants and a density of 41 per km², it covers an area of 13.2 km². The average declared income is 24.225 €.
Lenna in numbers: the analysis
The census record tells a story of long decline: in 1951 Lenna had 926 inhabitants; today (2026) it has 549 — 40.7% fewer.
The ageing index is one of the starkest signals: in Lenna there are 329 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 403 inhabitants for Lenna: an expected decline of 26.6% from today.
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Lenna is a markedly smaller centre.
Among the 243 municipalities of the province of Bergamo, Lenna ranks 215 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 601 |
| 2020 | 579 |
| 2021 | 560 |
| 2022 | 554 |
| 2023 | 554 |
| 2024 | 555 |
| 2025 | 561 |
| 2026 | 549 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 258 | 47.0% |
| Women | 291 | 53.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 1 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 926 |
| 1961 | 894 |
| 1971 | 795 |
| 1981 | 715 |
| 1991 | 696 |
| 2001 | 704 |
| 2011 | 641 |
| 2019 | 601 |
| 2020 | 579 |
| 2021 | 560 |
| 2022 | 554 |
| 2023 | 554 |
| 2024 | 555 |
| 2025 | 561 |
| 2026 | 549 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 494 | 44.0% |
| Married | 462 | 41.2% |
| Divorced | 30 | 2.7% |
| Widowed | 136 | 12.1% |
School-Age Population (2026)
Total 0-18 years: 75
| Valore | |
|---|---|
| Nido (0-2) | 9 |
| Infanzia (3-5) | 9 |
| Primaria (6-10) | 22 |
| Medie (11-13) | 11 |
| Superiori (14-18) | 24 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Lenna population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/lenna-016125" title="Population pyramid of Lenna — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/lenna-016125" alt="Population pyramid of Lenna — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>