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Population & demographics
All demographic data for Piedimonte San Germano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Piedimonte San Germano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Piedimonte San Germano.
Piedimonte San Germano is a medium-sized municipality in the province of Frosinone, Lazio region. With a population of 6.326 inhabitants and a density of 365 per km², it covers an area of 17,3 km². The average declared income is 21.457 €.
Piedimonte San Germano in numbers: the analysis
Among the 91 municipalities of the province of Frosinone, Piedimonte San Germano ranks 19 by population.
Piedimonte San Germano has grown substantially since 1951: from 3,091 inhabitants then to 6,326 in 2026, an increase of 104.7%.
The generational balance is in line with the norm: the ageing index of Piedimonte San Germano is 153 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 6,197 inhabitants.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Denominator: annual mean population
Denominator: annual mean population
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 1.145
Foreign residents
Foreign presence and top citizenships
Denominator: residents on 1 January (stock)
Embed this chart
Use the Piedimonte San Germano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/piedimonte-san-germano-060052" title="Population pyramid of Piedimonte San Germano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/piedimonte-san-germano-060052" alt="Population pyramid of Piedimonte San Germano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>