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ISTAT Code: 030120
45.8006°N, 13.3463°E
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Population & demographics
All demographic data for Terzo d'Aquileia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Terzo d'Aquileia.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Terzo d'Aquileia.
Terzo d'Aquileia is a small municipality in the province of Udine, Friuli-Venezia Giulia region. With a population of 2705 inhabitants and a density of 95 per km², it covers an area of 28.5 km². The average declared income is 23.259 €.
Terzo d'Aquileia in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Terzo d'Aquileia is 241 (over-65s per 100 under-14s).
The census record tells a story of long decline: in 1951 Terzo d'Aquileia had 2,873 inhabitants; today (2026) it has 2,705 — 5.8% fewer.
Among the 134 municipalities of the province of Udine, Terzo d'Aquileia ranks 52 by population.
Demographic projections to 2050 estimate about 2,311 inhabitants for Terzo d'Aquileia: an expected decline of 14.6% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2832 |
| 2020 | 2799 |
| 2021 | 2760 |
| 2022 | 2729 |
| 2023 | 2749 |
| 2024 | 2708 |
| 2025 | 2686 |
| 2026 | 2705 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1320 | 48.8% |
| Women | 1385 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 21 |
| 2022 | 18 |
| 2023 | 14 |
| 2024 | 10 |
| 2025 | 17 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2873 |
| 1961 | 2354 |
| 1971 | 2262 |
| 1981 | 2441 |
| 1991 | 2515 |
| 2001 | 2661 |
| 2011 | 2881 |
| 2019 | 2832 |
| 2020 | 2799 |
| 2021 | 2760 |
| 2022 | 2729 |
| 2023 | 2749 |
| 2024 | 2708 |
| 2025 | 2686 |
| 2026 | 2705 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2222 | 41.4% |
| Married | 2428 | 45.2% |
| Divorced | 296 | 5.5% |
| Widowed | 426 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 411
| Valore | |
|---|---|
| Nido (0-2) | 42 |
| Infanzia (3-5) | 53 |
| Primaria (6-10) | 94 |
| Medie (11-13) | 83 |
| Superiori (14-18) | 139 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Terzo d'Aquileia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/terzo-d-aquileia-030120" title="Population pyramid of Terzo d'Aquileia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/terzo-d-aquileia-030120" alt="Population pyramid of Terzo d'Aquileia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>Municipalities with similar population
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