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Population & demographics
All demographic data for Monterotondo Marittimo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Monterotondo Marittimo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Monterotondo Marittimo.
Monterotondo Marittimo is a small municipality in the province of Grosseto, Toscana region. With a population of 1274 inhabitants and a density of 12 per km², it covers an area of 102.3 km². The average declared income is 20.378 €.
Monterotondo Marittimo in numbers: the analysis
Among the 28 municipalities of the province of Grosseto, Monterotondo Marittimo ranks 23 by population.
The census record tells a story of long decline: in 1951 Monterotondo Marittimo had 3,129 inhabitants; today (2026) it has 1,274 — 59.3% fewer.
The generational balance is in line with the norm: the ageing index of Monterotondo Marittimo is 212 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 1,152 inhabitants for Monterotondo Marittimo: an expected decline of 9.6% from today.
Compared with the provincial average of Grosseto (about 7,674 residents per municipality), Monterotondo Marittimo is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1312 |
| 2020 | 1293 |
| 2021 | 1269 |
| 2022 | 1283 |
| 2023 | 1270 |
| 2024 | 1278 |
| 2025 | 1273 |
| 2026 | 1274 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 668 | 52.4% |
| Women | 606 | 47.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3129 |
| 1961 | 2664 |
| 1971 | 1775 |
| 1981 | 1560 |
| 1991 | 1391 |
| 2001 | 1210 |
| 2011 | 1414 |
| 2019 | 1312 |
| 2020 | 1293 |
| 2021 | 1269 |
| 2022 | 1283 |
| 2023 | 1270 |
| 2024 | 1278 |
| 2025 | 1273 |
| 2026 | 1274 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1098 | 43.1% |
| Married | 1144 | 44.9% |
| Divorced | 100 | 3.9% |
| Widowed | 204 | 8.0% |
School-Age Population (2026)
Total 0-18 years: 209
| Valore | |
|---|---|
| Nido (0-2) | 30 |
| Infanzia (3-5) | 29 |
| Primaria (6-10) | 57 |
| Medie (11-13) | 33 |
| Superiori (14-18) | 60 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Monterotondo Marittimo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/monterotondo-marittimo-053027" title="Population pyramid of Monterotondo Marittimo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/monterotondo-marittimo-053027" alt="Population pyramid of Monterotondo Marittimo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>