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Population & demographics
All demographic data for Triggiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Triggiano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Triggiano.
Triggiano is a medium-sized municipality in the province of Bari, Puglia region. With a population of 25.558 inhabitants and a density of 1271 per km², it covers an area of 20,1 km². The average declared income is 20.189 €.
Triggiano in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Triggiano is 220 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 22,023 inhabitants for Triggiano: an expected decline of 13.8% from today.
Among the 41 municipalities of the province of Bari, Triggiano ranks 15 by population.
Triggiano has grown substantially since 1951: from 15,705 inhabitants then to 25,558 in 2026, an increase of 62.7%.
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: 3918
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Triggiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/triggiano-072046" title="Population pyramid of Triggiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/triggiano-072046" alt="Population pyramid of Triggiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>