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Population & demographics
All demographic data for Monte San Martino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Monte San Martino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Monte San Martino.
Monte San Martino is a small municipality in the province of Macerata, Marche region. With a population of 668 inhabitants and a density of 36 per km², it covers an area of 18,5 km². The average declared income is 18.409 €.
Monte San Martino in numbers: the analysis
Demographic projections to 2050 estimate about 497 inhabitants for Monte San Martino: an expected decline of 25.6% from today.
Compared with the provincial average of Macerata (about 5,485 residents per municipality), Monte San Martino is a markedly smaller centre.
Among the 55 municipalities of the province of Macerata, Monte San Martino ranks 45 by population.
The census record tells a story of long decline: in 1951 Monte San Martino had 2,093 inhabitants; today (2026) it has 668 — 68.1% fewer.
The ageing index is one of the starkest signals: in Monte San Martino there are 353 residents over 65 for every 100 under 14, well above the national average.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 84
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Monte San Martino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/monte-san-martino-043032" title="Population pyramid of Monte San Martino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/monte-san-martino-043032" alt="Population pyramid of Monte San Martino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>