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Population & demographics
All demographic data for Castellana Grotte: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castellana Grotte.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castellana Grotte.
Castellana Grotte is a medium-sized municipality in the province of Bari, Puglia region. With a population of 19.702 inhabitants and a density of 288 per km², it covers an area of 68.3 km². The average declared income is 20.063 €.
Castellana Grotte in numbers: the analysis
Looking ahead to 2050, projections give Castellana Grotte about 21,183 inhabitants, up 7.5% from today.
Compared with the provincial average of Bari (about 29,709 residents per municipality), Castellana Grotte is a markedly smaller centre.
Among the 41 municipalities of the province of Bari, Castellana Grotte ranks 19 by population.
Castellana Grotte has grown substantially since 1951: from 13,961 inhabitants then to 19,702 in 2026, an increase of 41.1%.
The generational balance is in line with the norm: the ageing index of Castellana Grotte is 212 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 19.290 |
| 2020 | 19.263 |
| 2021 | 19.323 |
| 2022 | 19.401 |
| 2023 | 19.525 |
| 2024 | 19.675 |
| 2025 | 19.697 |
| 2026 | 19.702 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 9619 | 48.8% |
| Women | 10.083 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 161 |
| 2022 | 136 |
| 2023 | 142 |
| 2024 | 106 |
| 2025 | 117 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 13.961 |
| 1961 | 14.099 |
| 1971 | 14.839 |
| 1981 | 16.288 |
| 1991 | 17.585 |
| 2001 | 18.276 |
| 2011 | 19.340 |
| 2019 | 19.290 |
| 2020 | 19.263 |
| 2021 | 19.323 |
| 2022 | 19.401 |
| 2023 | 19.525 |
| 2024 | 19.675 |
| 2025 | 19.697 |
| 2026 | 19.702 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 16.310 | 41.4% |
| Married | 19.048 | 48.4% |
| Divorced | 1358 | 3.4% |
| Widowed | 2678 | 6.8% |
School-Age Population (2026)
Total 0-18 years: 3022
| Valore | |
|---|---|
| Nido (0-2) | 376 |
| Infanzia (3-5) | 436 |
| Primaria (6-10) | 787 |
| Medie (11-13) | 563 |
| Superiori (14-18) | 860 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castellana Grotte population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castellana-grotte-072017" title="Population pyramid of Castellana Grotte — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castellana-grotte-072017" alt="Population pyramid of Castellana Grotte — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>