Colli del Tronto: 3681 inhabitants (2026)
ISTAT Code: 044014
42.8780°N, 13.7482°E
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Population & demographics
All demographic data for Colli del Tronto: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Colli del Tronto.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Colli del Tronto.
Colli del Tronto is a small municipality in the province of Ascoli Piceno, Marche region. With a population of 3681 inhabitants and a density of 620 per km², it covers an area of 5,9 km². The average declared income is 22.049 €.
Colli del Tronto in numbers: the analysis
Among the 33 municipalities of the province of Ascoli Piceno, Colli del Tronto ranks 12 by population.
Colli del Tronto has grown substantially since 1951: from 2,003 inhabitants then to 3,681 in 2026, an increase of 83.8%.
The generational balance is in line with the norm: the ageing index of Colli del Tronto is 189 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 3,547 inhabitants.
Compared with the provincial average of Ascoli Piceno (about 6,067 residents per municipality), Colli del Tronto is a markedly smaller centre.
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: 595
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Colli del Tronto population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/colli-del-tronto-044014" title="Population pyramid of Colli del Tronto — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/colli-del-tronto-044014" alt="Population pyramid of Colli del Tronto — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>