1.7k
Inhabitants
22.331 €
Average Income
13.79 µg/m³
PM2.5
16,1%
Land Consumption
Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Abruzzo.
Province page
Open the full profile page for the province of Chieti.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Abruzzo ranked by average income.
Provincial population ranking
View the municipalities in the province of Chieti ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Treglio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Treglio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Treglio.
Population Trend
Male/Female Ratio
1721Totale
Men
Women
Demographic Statistics
Men846
Women875
Year2026
Demographic Indices
+0.41%
Annual change
change from the previous year
176.4
Ageing index
65+ / 0-14 × 100
51.6
Dependency ratio
(0-14 + 65+) / 15-64 × 100
136.1
Workforce replacement
60-64 / 15-19 × 100
145.1
Workforce structure
40-64 / 15-39 × 100
13.2
Child dependency
0-4 / women 15-49 × 100
44.94
Average age
weighted average age
Births (recent years)
Historical Population (1951-present)
Marital Status (2026)
0Totale
Single
Married
Divorced
Widowed
School-Age Population (2026)
Total 0-18 years: 295
Foreign residents
Foreign presence and top citizenships
Foreign residents
95
Foreign-resident share: 5.54%
Main citizenships
Romania35
Albania11
Bangladesh8
Ucraina6
Sri Lanka5
Municipalities in the same province
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025