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Population & demographics
All demographic data for Ploaghe: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ploaghe.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ploaghe.
Ploaghe is a small municipality in the province of Sassari, Sardegna region. With a population of 4201 inhabitants and a density of 44 per km², it covers an area of 96,3 km². The average declared income is 20.994 €.
Ploaghe in numbers: the analysis
Among the 92 municipalities of the province of Sassari, Ploaghe ranks 19 by population.
The census record tells a story of long decline: in 1951 Ploaghe had 4,972 inhabitants; today (2026) it has 4,201 — 15.5% fewer.
The ageing index is one of the starkest signals: in Ploaghe there are 261 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 3,411 inhabitants for Ploaghe: an expected decline of 18.8% from today.
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: 628
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ploaghe population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ploaghe-090057" title="Population pyramid of Ploaghe — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ploaghe-090057" alt="Population pyramid of Ploaghe — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>