Gradisca d'Isonzo: 6394 inhabitants (2026)
ISTAT Code: 031008
45.8889°N, 13.5038°E
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Population & demographics
All demographic data for Gradisca d'Isonzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gradisca d'Isonzo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gradisca d'Isonzo.
Gradisca d'Isonzo is a medium-sized municipality in the province of Gorizia, Friuli-Venezia Giulia region. With a population of 6394 inhabitants and a density of 564 per km², it covers an area of 11.3 km². The average declared income is 25.039 €.
Gradisca d'Isonzo in numbers: the analysis
Gradisca d'Isonzo has grown substantially since 1951: from 5,303 inhabitants then to 6,394 in 2026, an increase of 20.6%.
The ageing index is one of the starkest signals: in Gradisca d'Isonzo there are 286 residents over 65 for every 100 under 14, well above the national average.
For 2050 the projections point to an essentially unchanged population: about 6,232 inhabitants.
Among the 25 municipalities of the province of Gorizia, Gradisca d'Isonzo ranks 7 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6442 |
| 2020 | 6385 |
| 2021 | 6373 |
| 2022 | 6370 |
| 2023 | 6412 |
| 2024 | 6428 |
| 2025 | 6413 |
| 2026 | 6394 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3063 | 47.9% |
| Women | 3331 | 52.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 37 |
| 2022 | 42 |
| 2023 | 40 |
| 2024 | 42 |
| 2025 | 31 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5303 |
| 1961 | 5494 |
| 1971 | 6104 |
| 1981 | 6312 |
| 1991 | 6445 |
| 2001 | 6451 |
| 2011 | 6528 |
| 2019 | 6442 |
| 2020 | 6385 |
| 2021 | 6373 |
| 2022 | 6370 |
| 2023 | 6412 |
| 2024 | 6428 |
| 2025 | 6413 |
| 2026 | 6394 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 5156 | 40.2% |
| Married | 5814 | 45.3% |
| Divorced | 714 | 5.6% |
| Widowed | 1142 | 8.9% |
School-Age Population (2026)
Total 0-18 years: 873
| Valore | |
|---|---|
| Nido (0-2) | 118 |
| Infanzia (3-5) | 125 |
| Primaria (6-10) | 229 |
| Medie (11-13) | 145 |
| Superiori (14-18) | 256 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gradisca d'Isonzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gradisca-d-isonzo-031008" title="Population pyramid of Gradisca d'Isonzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gradisca-d-isonzo-031008" alt="Population pyramid of Gradisca d'Isonzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>