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Population & demographics
All demographic data for Borgo di Terzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Borgo di Terzo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Borgo di Terzo.
Borgo di Terzo is a small municipality in the province of Bergamo, Lombardia region. With a population of 1225 inhabitants and a density of 669 per km², it covers an area of 1,8 km². The average declared income is 23.853 €.
Borgo di Terzo in numbers: the analysis
Among the 243 municipalities of the province of Bergamo, Borgo di Terzo ranks 171 by population.
Borgo di Terzo has grown substantially since 1951: from 785 inhabitants then to 1,225 in 2026, an increase of 56.1%.
The generational balance is in line with the norm: the ageing index of Borgo di Terzo is 127 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Borgo di Terzo about 1,477 inhabitants, up 20.6% from today.
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Borgo di Terzo is a markedly smaller centre.
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: 239
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Borgo di Terzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/borgo-di-terzo-016032" title="Population pyramid of Borgo di Terzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/borgo-di-terzo-016032" alt="Population pyramid of Borgo di Terzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>