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  1. Home
  2. Marche
  3. Macerata
  4. Treia

Treia is a medium-sized municipality in the province of Macerata, Marche region. With a population of 9002 inhabitants and a density of 96 per km², it covers an area of 93.5 km². The average declared income is 22.616 €.

MarcheMacerata

Treia

ISTAT Code: 043054

43.3113°N, 13.3123°E

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9.0k
Inhabitants
96
Inhabitants/km²
22.616 €
Average Income
8.81 µg/m³
PM2.5
7,7%
Land Consumption
93.5 km²
Area

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Population Trend

Male/Female Ratio

9002Totale
Men
Women

Demographic Statistics

Men4532
Women4470
Year2026

Demographic Indices

-0.86%
Annual change
change from the previous year
238.8
Ageing index
65+ / 0-14 × 100
62.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
172.8
Workforce replacement
60-64 / 15-19 × 100
135.7
Workforce structure
40-64 / 15-39 × 100
18.7
Child dependency
0-4 / women 15-49 × 100
47.48
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

18.160Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 1368

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
903
Foreign-resident share: 9.94%
Main citizenships
Romania169
Marocco102
Ucraina74
Perù69
Albania64

Municipalities in the same province

Apiro

Macerata, Marche

Appignano

Macerata, Marche

Belforte del Chienti

Macerata, Marche

Bolognola

Macerata, Marche

Caldarola

Macerata, 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

Morrovalle

9.792 · Macerata, Marche

Montemarciano

9.788 · Ancona, Marche

Cingoli

9.556 · Macerata, Marche

Matelica

9.081 · Macerata, Marche

Fossombrone

9.057 · Pesaro e Urbino, Marche

Filottrano

8.855 · Ancona, Marche

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