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Population & demographics
All demographic data for Massa Marittima: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Massa Marittima.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Massa Marittima.
Massa Marittima is a medium-sized municipality in the province of Grosseto, Toscana region. With a population of 8197 inhabitants and a density of 29 per km², it covers an area of 283.2 km². The average declared income is 21.344 €.
Massa Marittima in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 7,873 inhabitants.
Among the 28 municipalities of the province of Grosseto, Massa Marittima ranks 7 by population.
The census record tells a story of long decline: in 1951 Massa Marittima had 13,382 inhabitants; today (2026) it has 8,197 — 38.7% fewer.
The ageing index is one of the starkest signals: in Massa Marittima there are 306 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 8294 |
| 2020 | 8281 |
| 2021 | 8169 |
| 2022 | 8124 |
| 2023 | 8167 |
| 2024 | 8174 |
| 2025 | 8186 |
| 2026 | 8197 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3974 | 48.5% |
| Women | 4223 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 44 |
| 2022 | 59 |
| 2023 | 43 |
| 2024 | 32 |
| 2025 | 40 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 13.382 |
| 1961 | 12.832 |
| 1971 | 10.516 |
| 1981 | 10.076 |
| 1991 | 9518 |
| 2001 | 8818 |
| 2011 | 8614 |
| 2019 | 8294 |
| 2020 | 8281 |
| 2021 | 8169 |
| 2022 | 8124 |
| 2023 | 8167 |
| 2024 | 8174 |
| 2025 | 8186 |
| 2026 | 8197 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6396 | 39.1% |
| Married | 7516 | 45.9% |
| Divorced | 888 | 5.4% |
| Widowed | 1572 | 9.6% |
School-Age Population (2026)
Total 0-18 years: 1154
| Valore | |
|---|---|
| Nido (0-2) | 129 |
| Infanzia (3-5) | 184 |
| Primaria (6-10) | 271 |
| Medie (11-13) | 180 |
| Superiori (14-18) | 390 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Massa Marittima population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/massa-marittima-053015" title="Population pyramid of Massa Marittima — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/massa-marittima-053015" alt="Population pyramid of Massa Marittima — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>