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Population & demographics
All demographic data for Nemi: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Nemi.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Nemi.
Nemi is a small municipality in the province of Roma, Lazio region. With a population of 1854 inhabitants and a density of 259 per km², it covers an area of 7,2 km². The average declared income is 25.803 €.
Nemi in numbers: the analysis
The ageing index is one of the starkest signals: in Nemi there are 271 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,742 inhabitants for Nemi: an expected decline of 6% from today.
Compared with the provincial average of Roma (about 34,917 residents per municipality), Nemi is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Nemi ranks 79 by population.
Nemi has grown substantially since 1951: from 1,296 inhabitants then to 1,854 in 2026, an increase of 43.1%.
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: 254
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Nemi population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/nemi-058070" title="Population pyramid of Nemi — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/nemi-058070" alt="Population pyramid of Nemi — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>