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Population & demographics
All demographic data for Ariccia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ariccia.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ariccia.
Ariccia is a medium-sized municipality in the province of Roma, Lazio region. With a population of 17.938 inhabitants and a density of 965 per km², it covers an area of 18,6 km². The average declared income is 25.131 €.
Ariccia in numbers: the analysis
Compared with the provincial average of Roma (about 34,917 residents per municipality), Ariccia is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Ariccia ranks 29 by population.
Ariccia has grown substantially since 1951: from 7,122 inhabitants then to 17,938 in 2026, an increase of 151.9%.
The generational balance is in line with the norm: the ageing index of Ariccia is 234 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 16,663 inhabitants for Ariccia: an expected decline of 7.1% 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: 2693
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ariccia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ariccia-058009" title="Population pyramid of Ariccia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ariccia-058009" alt="Population pyramid of Ariccia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>