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Population & demographics
All demographic data for Grottaglie: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Grottaglie.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Grottaglie.
Grottaglie is a medium-sized municipality in the province of Taranto, Puglia region. With a population of 29.976 inhabitants and a density of 298 per km², it covers an area of 100.6 km². The average declared income is 19.570 €.
Grottaglie in numbers: the analysis
Grottaglie has grown substantially since 1951: from 20,170 inhabitants then to 29,976 in 2026, an increase of 48.6%.
The generational balance is in line with the norm: the ageing index of Grottaglie is 223 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 25,275 inhabitants for Grottaglie: an expected decline of 15.7% from today.
The average municipality in the province of Taranto has about 18,894 residents: Grottaglie has 1.6 times as many.
Few municipalities in Puglia are larger: it ranks no. 26 by population out of 257.
Among the 29 municipalities of the province of Taranto, Grottaglie ranks 4 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 31.505 |
| 2020 | 31.189 |
| 2021 | 30.993 |
| 2022 | 30.869 |
| 2023 | 30.612 |
| 2024 | 30.472 |
| 2025 | 30.198 |
| 2026 | 29.976 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 14.492 | 48.3% |
| Women | 15.484 | 51.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 200 |
| 2022 | 223 |
| 2023 | 196 |
| 2024 | 160 |
| 2025 | 157 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 20.170 |
| 1961 | 23.223 |
| 1971 | 24.381 |
| 1981 | 27.964 |
| 1991 | 30.947 |
| 2001 | 31.894 |
| 2011 | 32.503 |
| 2019 | 31.505 |
| 2020 | 31.189 |
| 2021 | 30.993 |
| 2022 | 30.869 |
| 2023 | 30.612 |
| 2024 | 30.472 |
| 2025 | 30.198 |
| 2026 | 29.976 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 25.632 | 42.5% |
| Married | 28.950 | 47.9% |
| Divorced | 1494 | 2.5% |
| Widowed | 4302 | 7.1% |
School-Age Population (2026)
Total 0-18 years: 4572
| Valore | |
|---|---|
| Nido (0-2) | 512 |
| Infanzia (3-5) | 646 |
| Primaria (6-10) | 1175 |
| Medie (11-13) | 803 |
| Superiori (14-18) | 1436 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Grottaglie population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/grottaglie-073008" title="Population pyramid of Grottaglie — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/grottaglie-073008" alt="Population pyramid of Grottaglie — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>