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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 43 per km², it covers an area of 12,7 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
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 75
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>