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 610 per km², it covers an area of 6.0 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
| Anno | Popolazione |
|---|---|
| 2019 | 3721 |
| 2020 | 3673 |
| 2021 | 3655 |
| 2022 | 3624 |
| 2023 | 3654 |
| 2024 | 3628 |
| 2025 | 3663 |
| 2026 | 3681 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1845 | 50.1% |
| Women | 1836 | 49.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 17 |
| 2022 | 32 |
| 2023 | 18 |
| 2024 | 19 |
| 2025 | 24 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2003 |
| 1961 | 2197 |
| 1971 | 2249 |
| 1981 | 2394 |
| 1991 | 2721 |
| 2001 | 3152 |
| 2011 | 3566 |
| 2019 | 3721 |
| 2020 | 3673 |
| 2021 | 3655 |
| 2022 | 3624 |
| 2023 | 3654 |
| 2024 | 3628 |
| 2025 | 3663 |
| 2026 | 3681 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3080 | 42.0% |
| Married | 3438 | 46.9% |
| Divorced | 258 | 3.5% |
| Widowed | 550 | 7.5% |
School-Age Population (2026)
Total 0-18 years: 595
| Valore | |
|---|---|
| Nido (0-2) | 63 |
| Infanzia (3-5) | 79 |
| Primaria (6-10) | 172 |
| Medie (11-13) | 118 |
| Superiori (14-18) | 163 |
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>