Castenaso: 16.670 inhabitants (2026)
ISTAT Code: 037021
44.5089°N, 11.4688°E
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Population & demographics
All demographic data for Castenaso: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castenaso.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Castenaso.
Castenaso is a medium-sized municipality in the province of Bologna, Emilia-Romagna region. With a population of 16.670 inhabitants and a density of 462 per km², it covers an area of 36.1 km². The average declared income is 30.254 €.
Castenaso in numbers: the analysis
Among the 55 municipalities of the province of Bologna, Castenaso ranks 13 by population.
Castenaso has grown substantially since 1951: from 5,328 inhabitants then to 16,670 in 2026, an increase of 212.9%.
The generational balance is in line with the norm: the ageing index of Castenaso is 203 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Castenaso about 21,043 inhabitants, up 26.2% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 15.575 |
| 2020 | 15.689 |
| 2021 | 15.870 |
| 2022 | 15.895 |
| 2023 | 16.154 |
| 2024 | 16.357 |
| 2025 | 16.531 |
| 2026 | 16.670 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 8045 | 48.3% |
| Women | 8625 | 51.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 93 |
| 2022 | 118 |
| 2023 | 110 |
| 2024 | 110 |
| 2025 | 135 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5328 |
| 1961 | 5461 |
| 1971 | 7817 |
| 1981 | 11.786 |
| 1991 | 13.436 |
| 2001 | 13.607 |
| 2011 | 14.352 |
| 2019 | 15.575 |
| 2020 | 15.689 |
| 2021 | 15.870 |
| 2022 | 15.895 |
| 2023 | 16.154 |
| 2024 | 16.357 |
| 2025 | 16.531 |
| 2026 | 16.670 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 14.770 | 44.7% |
| Married | 14.618 | 44.2% |
| Divorced | 1458 | 4.4% |
| Widowed | 2216 | 6.7% |
School-Age Population (2026)
Total 0-18 years: 2740
| Valore | |
|---|---|
| Nido (0-2) | 371 |
| Infanzia (3-5) | 403 |
| Primaria (6-10) | 720 |
| Medie (11-13) | 467 |
| Superiori (14-18) | 779 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castenaso population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castenaso-037021" title="Population pyramid of Castenaso — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castenaso-037021" alt="Population pyramid of Castenaso — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>