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Population & demographics
All demographic data for Semproniano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Semproniano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Semproniano.
Semproniano is a small municipality in the province of Grosseto, Toscana region. With a population of 1022 inhabitants and a density of 13 per km², it covers an area of 81.7 km². The average declared income is 18.595 €.
Semproniano in numbers: the analysis
Compared with the provincial average of Grosseto (about 7,674 residents per municipality), Semproniano is a markedly smaller centre.
Among the 28 municipalities of the province of Grosseto, Semproniano ranks 27 by population.
The census record tells a story of long decline: in 1951 Semproniano had 3,242 inhabitants; today (2026) it has 1,022 — 68.5% fewer.
The ageing index is one of the starkest signals: in Semproniano there are 411 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 899 inhabitants for Semproniano: an expected decline of 12% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1061 |
| 2020 | 1006 |
| 2021 | 988 |
| 2022 | 984 |
| 2023 | 965 |
| 2024 | 978 |
| 2025 | 1020 |
| 2026 | 1022 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 505 | 49.4% |
| Women | 517 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3242 |
| 1961 | 2504 |
| 1971 | 2032 |
| 1981 | 1711 |
| 1991 | 1462 |
| 2001 | 1326 |
| 2011 | 1144 |
| 2019 | 1061 |
| 2020 | 1006 |
| 2021 | 988 |
| 2022 | 984 |
| 2023 | 965 |
| 2024 | 978 |
| 2025 | 1020 |
| 2026 | 1022 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 806 | 39.5% |
| Married | 860 | 42.2% |
| Divorced | 92 | 4.5% |
| Widowed | 282 | 13.8% |
School-Age Population (2026)
Total 0-18 years: 114
| Valore | |
|---|---|
| Nido (0-2) | 10 |
| Infanzia (3-5) | 13 |
| Primaria (6-10) | 33 |
| Medie (11-13) | 25 |
| Superiori (14-18) | 33 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Semproniano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/semproniano-053028" title="Population pyramid of Semproniano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/semproniano-053028" alt="Population pyramid of Semproniano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>