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Population & demographics
All demographic data for San Marco d'Alunzio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Marco d'Alunzio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Marco d'Alunzio.
San Marco d'Alunzio is a small municipality in the province of Messina, Sicilia region. With a population of 1775 inhabitants and a density of 69 per km², it covers an area of 25.8 km². The average declared income is 15.813 €.
San Marco d'Alunzio in numbers: the analysis
Compared with the provincial average of Messina (about 5,501 residents per municipality), San Marco d'Alunzio is a markedly smaller centre.
Demographic projections to 2050 estimate about 1,455 inhabitants for San Marco d'Alunzio: an expected decline of 18% from today.
The generational balance is in line with the norm: the ageing index of San Marco d'Alunzio is 246 (over-65s per 100 under-14s).
The census record tells a story of long decline: in 1951 San Marco d'Alunzio had 3,396 inhabitants; today (2026) it has 1,775 — 47.7% fewer.
Among the 108 municipalities of the province of Messina, San Marco d'Alunzio ranks 58 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1881 |
| 2020 | 1848 |
| 2021 | 1830 |
| 2022 | 1812 |
| 2023 | 1782 |
| 2024 | 1818 |
| 2025 | 1799 |
| 2026 | 1775 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 855 | 48.2% |
| Women | 920 | 51.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 14 |
| 2024 | 21 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3396 |
| 1961 | 3256 |
| 1971 | 2767 |
| 1981 | 2508 |
| 1991 | 2396 |
| 2001 | 2202 |
| 2011 | 2083 |
| 2019 | 1881 |
| 2020 | 1848 |
| 2021 | 1830 |
| 2022 | 1812 |
| 2023 | 1782 |
| 2024 | 1818 |
| 2025 | 1799 |
| 2026 | 1775 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1416 | 39.4% |
| Married | 1750 | 48.6% |
| Divorced | 44 | 1.2% |
| Widowed | 388 | 10.8% |
School-Age Population (2026)
Total 0-18 years: 268
| Valore | |
|---|---|
| Nido (0-2) | 47 |
| Infanzia (3-5) | 30 |
| Primaria (6-10) | 59 |
| Medie (11-13) | 43 |
| Superiori (14-18) | 89 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Marco d'Alunzio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-marco-d-alunzio-083079" title="Population pyramid of San Marco d'Alunzio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-marco-d-alunzio-083079" alt="Population pyramid of San Marco d'Alunzio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>