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Population & demographics
All demographic data for Brienno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Brienno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Brienno.
Brienno is a small municipality in the province of Como, Lombardia region. With a population of 311 inhabitants and a density of 35 per km², it covers an area of 8.8 km². The average declared income is 27.326 €.
Brienno in numbers: the analysis
The ageing index is one of the starkest signals: in Brienno there are 664 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Brienno had 462 inhabitants; today (2026) it has 311 — 32.7% fewer.
Among the 147 municipalities of the province of Como, Brienno ranks 133 by population.
Compared with the provincial average of Como (about 4,072 residents per municipality), Brienno is a markedly smaller centre.
Demographic projections to 2050 estimate about 267 inhabitants for Brienno: an expected decline of 14.1% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 325 |
| 2020 | 327 |
| 2021 | 335 |
| 2022 | 335 |
| 2023 | 328 |
| 2024 | 317 |
| 2025 | 311 |
| 2026 | 311 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 152 | 48.9% |
| Women | 159 | 51.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 462 |
| 1961 | 491 |
| 1971 | 453 |
| 1981 | 403 |
| 1991 | 423 |
| 2001 | 425 |
| 2011 | 402 |
| 2019 | 325 |
| 2020 | 327 |
| 2021 | 335 |
| 2022 | 335 |
| 2023 | 328 |
| 2024 | 317 |
| 2025 | 311 |
| 2026 | 311 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 232 | 37.3% |
| Married | 298 | 47.9% |
| Divorced | 44 | 7.1% |
| Widowed | 48 | 7.7% |
School-Age Population (2026)
Total 0-18 years: 17
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 5 |
| Primaria (6-10) | 5 |
| Medie (11-13) | 2 |
| Superiori (14-18) | 3 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Brienno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/brienno-013030" title="Population pyramid of Brienno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/brienno-013030" alt="Population pyramid of Brienno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>