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Population & demographics
All demographic data for San Marcello: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Marcello.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Marcello.
San Marcello is a small municipality in the province of Ancona, Marche region. With a population of 2006 inhabitants and a density of 78 per km², it covers an area of 25.6 km². The average declared income is 32.854 €.
San Marcello in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 2,062 inhabitants.
Compared with the provincial average of Ancona (about 9,822 residents per municipality), San Marcello is a markedly smaller centre.
Among the 47 municipalities of the province of Ancona, San Marcello ranks 38 by population.
The census record tells a story of long decline: in 1951 San Marcello had 2,971 inhabitants; today (2026) it has 2,006 — 32.5% fewer.
The generational balance is in line with the norm: the ageing index of San Marcello is 242 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1990 |
| 2020 | 2000 |
| 2021 | 1983 |
| 2022 | 2026 |
| 2023 | 1996 |
| 2024 | 2008 |
| 2025 | 2015 |
| 2026 | 2006 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 997 | 49.7% |
| Women | 1009 | 50.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 11 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2971 |
| 1961 | 2509 |
| 1971 | 1777 |
| 1981 | 1702 |
| 1991 | 1805 |
| 2001 | 1931 |
| 2011 | 2069 |
| 2019 | 1990 |
| 2020 | 2000 |
| 2021 | 1983 |
| 2022 | 2026 |
| 2023 | 1996 |
| 2024 | 2008 |
| 2025 | 2015 |
| 2026 | 2006 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1782 | 44.2% |
| Married | 1732 | 43.0% |
| Divorced | 148 | 3.7% |
| Widowed | 368 | 9.1% |
School-Age Population (2026)
Total 0-18 years: 302
| Valore | |
|---|---|
| Nido (0-2) | 35 |
| Infanzia (3-5) | 41 |
| Primaria (6-10) | 83 |
| Medie (11-13) | 48 |
| Superiori (14-18) | 95 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Marcello population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-marcello-042041" title="Population pyramid of San Marcello — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-marcello-042041" alt="Population pyramid of San Marcello — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>