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Population & demographics
All demographic data for Castell'Azzara: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castell'Azzara.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castell'Azzara.
Castell'Azzara is a small municipality in the province of Grosseto, Toscana region. With a population of 1254 inhabitants and a density of 19 per km², it covers an area of 64.4 km². The average declared income is 18.896 €.
Castell'Azzara in numbers: the analysis
Demographic projections to 2050 estimate about 831 inhabitants for Castell'Azzara: an expected decline of 33.7% from today.
Compared with the provincial average of Grosseto (about 7,674 residents per municipality), Castell'Azzara is a markedly smaller centre.
Among the 28 municipalities of the province of Grosseto, Castell'Azzara ranks 24 by population.
The census record tells a story of long decline: in 1951 Castell'Azzara had 3,739 inhabitants; today (2026) it has 1,254 — 66.5% fewer.
The ageing index is one of the starkest signals: in Castell'Azzara there are 553 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1414 |
| 2020 | 1406 |
| 2021 | 1350 |
| 2022 | 1311 |
| 2023 | 1310 |
| 2024 | 1292 |
| 2025 | 1262 |
| 2026 | 1254 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 609 | 48.6% |
| Women | 645 | 51.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3739 |
| 1961 | 3741 |
| 1971 | 2974 |
| 1981 | 2387 |
| 1991 | 2105 |
| 2001 | 1826 |
| 2011 | 1601 |
| 2019 | 1414 |
| 2020 | 1406 |
| 2021 | 1350 |
| 2022 | 1311 |
| 2023 | 1310 |
| 2024 | 1292 |
| 2025 | 1262 |
| 2026 | 1254 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 970 | 38.4% |
| Married | 1108 | 43.9% |
| Divorced | 94 | 3.7% |
| Widowed | 352 | 13.9% |
School-Age Population (2026)
Total 0-18 years: 117
| Valore | |
|---|---|
| Nido (0-2) | 15 |
| Infanzia (3-5) | 17 |
| Primaria (6-10) | 24 |
| Medie (11-13) | 26 |
| Superiori (14-18) | 35 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castell'Azzara population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castell-azzara-053005" title="Population pyramid of Castell'Azzara — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castell-azzara-053005" alt="Population pyramid of Castell'Azzara — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>