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Population & demographics
All demographic data for Trenzano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Trenzano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Trenzano.
Trenzano is a medium-sized municipality in the province of Brescia, Lombardia region. With a population of 5556 inhabitants and a density of 266 per km², it covers an area of 20.9 km². The average declared income is 23.663 €.
Trenzano in numbers: the analysis
Looking ahead to 2050, projections give Trenzano about 6,083 inhabitants, up 9.5% from today.
Among the 205 municipalities of the province of Brescia, Trenzano ranks 66 by population.
Trenzano has grown substantially since 1951: from 4,439 inhabitants then to 5,556 in 2026, an increase of 25.2%.
The generational balance is in line with the norm: the ageing index of Trenzano is 150 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5411 |
| 2020 | 5421 |
| 2021 | 5427 |
| 2022 | 5470 |
| 2023 | 5480 |
| 2024 | 5512 |
| 2025 | 5526 |
| 2026 | 5556 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2811 | 50.6% |
| Women | 2745 | 49.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 56 |
| 2022 | 40 |
| 2023 | 57 |
| 2024 | 51 |
| 2025 | 45 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4439 |
| 1961 | 3703 |
| 1971 | 3634 |
| 1981 | 4036 |
| 1991 | 4478 |
| 2001 | 4848 |
| 2011 | 5480 |
| 2019 | 5411 |
| 2020 | 5421 |
| 2021 | 5427 |
| 2022 | 5470 |
| 2023 | 5480 |
| 2024 | 5512 |
| 2025 | 5526 |
| 2026 | 5556 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4912 | 44.4% |
| Married | 5136 | 46.5% |
| Divorced | 322 | 2.9% |
| Widowed | 682 | 6.2% |
School-Age Population (2026)
Total 0-18 years: 1064
| Valore | |
|---|---|
| Nido (0-2) | 150 |
| Infanzia (3-5) | 145 |
| Primaria (6-10) | 244 |
| Medie (11-13) | 166 |
| Superiori (14-18) | 359 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Trenzano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/trenzano-017190" title="Population pyramid of Trenzano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/trenzano-017190" alt="Population pyramid of Trenzano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>