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%.
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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.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Triggiano.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 26.692 |
| 2020 | 26.509 |
| 2021 | 26.321 |
| 2022 | 26.113 |
| 2023 | 25.897 |
| 2024 | 25.866 |
| 2025 | 25.764 |
| 2026 | 25.558 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 12.289 | 48.1% |
| Women | 13.269 | 51.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 196 |
| 2022 | 168 |
| 2023 | 199 |
| 2024 | 181 |
| 2025 | 153 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 15.705 |
| 1961 | 15.712 |
| 1971 | 17.298 |
| 1981 | 20.313 |
| 1991 | 24.698 |
| 2001 | 26.312 |
| 2011 | 27.007 |
| 2019 | 26.692 |
| 2020 | 26.509 |
| 2021 | 26.321 |
| 2022 | 26.113 |
| 2023 | 25.897 |
| 2024 | 25.866 |
| 2025 | 25.764 |
| 2026 | 25.558 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 20.712 | 40.2% |
| Married | 25.760 | 50.0% |
| Divorced | 1468 | 2.8% |
| Widowed | 3580 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 3918
| Valore | |
|---|---|
| Nido (0-2) | 520 |
| Infanzia (3-5) | 532 |
| Primaria (6-10) | 982 |
| Medie (11-13) | 628 |
| Superiori (14-18) | 1256 |
Foreign residents
Foreign presence and top citizenships