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Population & demographics
All demographic data for Arzachena: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arzachena.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Arzachena.
Arzachena is a medium-sized municipality in the province of Sassari, Sardegna region. With a population of 13.456 inhabitants and a density of 58 per km², it covers an area of 232,4 km². The average declared income is 23.072 €.
Arzachena in numbers: the analysis
By population, Arzachena ranks no. 6 among the 92 municipalities of the province of Sassari.
Over the long run the population of Arzachena has stayed essentially stable: 13,477 inhabitants in 2019, 13,456 in 2026 (less than 5% change).
The generational balance is in line with the norm: the ageing index of Arzachena is 227 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 13,384 inhabitants.
The average municipality in the province of Sassari has about 5,115 residents: Arzachena has 2.6 times as many.
Few municipalities in Sardegna are larger: it ranks no. 18 by population out of 377.
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: 1927
Foreign residents
Foreign presence and top citizenships
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Use the Arzachena population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arzachena-090006" title="Population pyramid of Arzachena — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arzachena-090006" alt="Population pyramid of Arzachena — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>