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  1. Home
  2. Marche
  3. Ascoli Piceno
  4. 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 €.

MarcheAscoli Piceno

Colli del Tronto

ISTAT Code: 044014

42.8780°N, 13.7482°E

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3.7k
Inhabitants
620
Inhabitants/km²
22.049 €
Average Income
13.3 µg/m³
PM2.5
21,4%
Land Consumption
5.9 km²
Area

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Region page

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Population Trend

Male/Female Ratio

3681Totale
Men
Women

Demographic Statistics

Men1845
Women1836
Year2026

Demographic Indices

+0.49%
Annual change
change from the previous year
189.1
Ageing index
65+ / 0-14 × 100
59.9
Dependency ratio
(0-14 + 65+) / 15-64 × 100
186.9
Workforce replacement
60-64 / 15-19 × 100
161.6
Workforce structure
40-64 / 15-39 × 100
17.1
Child dependency
0-4 / women 15-49 × 100
46.4
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

7326Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 595

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
204
Foreign-resident share: 5.57%
Main citizenships
Albania50
Marocco47
Romania25
Nigeria14
Polonia9

Municipalities in the same province

Acquasanta Terme

Ascoli Piceno, Marche

Acquaviva Picena

Ascoli Piceno, Marche

Appignano del Tronto

Ascoli Piceno, Marche

Arquata del Tronto

Ascoli Piceno, Marche

Ascoli Piceno

Ascoli Piceno, Marche

Municipalities in the same region

Acqualagna

Pesaro e Urbino, Marche

Acquasanta Terme

Ascoli Piceno, Marche

Acquaviva Picena

Ascoli Piceno, Marche

Agugliano

Ancona, Marche

Altidona

Fermo, Marche

Amandola

Fermo, Marche

Municipalities with similar population

Cupramontana

4.383 · Ancona, Marche

Castelraimondo

4.360 · Macerata, Marche

Mogliano

4.311 · Macerata, Marche

Arcevia

4.190 · Ancona, Marche

Acqualagna

4.166 · Pesaro e Urbino, Marche

Ripatransone

4.141 · Ascoli Piceno, Marche

Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025