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Population & demographics
All demographic data for Isso: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Isso.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Isso.
Isso is a small municipality in the province of Bergamo, Lombardia region. With a population of 635 inhabitants and a density of 125 per km², it covers an area of 5.1 km². The average declared income is 23.711 €.
Isso in numbers: the analysis
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Isso is a markedly smaller centre.
Among the 243 municipalities of the province of Bergamo, Isso ranks 208 by population.
Isso has grown substantially since 1951: from 577 inhabitants then to 635 in 2026, an increase of 10.1%.
The generational balance is in line with the norm: the ageing index of Isso is 200 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 592 inhabitants for Isso: an expected decline of 6.8% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 648 |
| 2020 | 642 |
| 2021 | 637 |
| 2022 | 622 |
| 2023 | 601 |
| 2024 | 588 |
| 2025 | 602 |
| 2026 | 635 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 329 | 51.8% |
| Women | 306 | 48.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 577 |
| 1961 | 464 |
| 1971 | 420 |
| 1981 | 493 |
| 1991 | 537 |
| 2001 | 630 |
| 2011 | 660 |
| 2019 | 648 |
| 2020 | 642 |
| 2021 | 637 |
| 2022 | 622 |
| 2023 | 601 |
| 2024 | 588 |
| 2025 | 602 |
| 2026 | 635 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 530 | 44.0% |
| Married | 570 | 47.3% |
| Divorced | 34 | 2.8% |
| Widowed | 70 | 5.8% |
School-Age Population (2026)
Total 0-18 years: 103
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 6 |
| Primaria (6-10) | 28 |
| Medie (11-13) | 18 |
| Superiori (14-18) | 39 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Isso population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/isso-016122" title="Population pyramid of Isso — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/isso-016122" alt="Population pyramid of Isso — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>