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Population & demographics
All demographic data for Barzio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Barzio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Barzio.
Barzio is a small municipality in the province of Lecco, Lombardia region. With a population of 1269 inhabitants and a density of 59 per km², it covers an area of 21,4 km². The average declared income is 26.182 €.
Barzio in numbers: the analysis
Compared with the provincial average of Lecco (about 3,979 residents per municipality), Barzio is a markedly smaller centre.
Among the 84 municipalities of the province of Lecco, Barzio ranks 65 by population.
Barzio has grown substantially since 1951: from 1,146 inhabitants then to 1,269 in 2026, an increase of 10.7%.
The ageing index is one of the starkest signals: in Barzio there are 309 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,159 inhabitants for Barzio: an expected decline of 8.7% from today.
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: 171
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Barzio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/barzio-097007" title="Population pyramid of Barzio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/barzio-097007" alt="Population pyramid of Barzio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>