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ISTAT Code: 031020
45.9327°N, 13.5267°E
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Population & demographics
All demographic data for San Lorenzo Isontino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Lorenzo Isontino.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Lorenzo Isontino.
San Lorenzo Isontino is a small municipality in the province of Gorizia, Friuli-Venezia Giulia region. With a population of 1479 inhabitants and a density of 348 per km², it covers an area of 4.3 km². The average declared income is 25.453 €.
San Lorenzo Isontino in numbers: the analysis
The ageing index is one of the starkest signals: in San Lorenzo Isontino there are 315 residents over 65 for every 100 under 14, well above the national average.
San Lorenzo Isontino has grown substantially since 1951: from 1,243 inhabitants then to 1,479 in 2026, an increase of 19%.
Among the 25 municipalities of the province of Gorizia, San Lorenzo Isontino ranks 19 by population.
Compared with the provincial average of Gorizia (about 5,549 residents per municipality), San Lorenzo Isontino is a markedly smaller centre.
Demographic projections to 2050 estimate about 1,251 inhabitants for San Lorenzo Isontino: an expected decline of 15.4% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1553 |
| 2020 | 1540 |
| 2021 | 1518 |
| 2022 | 1506 |
| 2023 | 1518 |
| 2024 | 1485 |
| 2025 | 1496 |
| 2026 | 1479 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 733 | 49.6% |
| Women | 746 | 50.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1243 |
| 1961 | 1214 |
| 1971 | 1256 |
| 1981 | 1428 |
| 1991 | 1372 |
| 2001 | 1412 |
| 2011 | 1548 |
| 2019 | 1553 |
| 2020 | 1540 |
| 2021 | 1518 |
| 2022 | 1506 |
| 2023 | 1518 |
| 2024 | 1485 |
| 2025 | 1496 |
| 2026 | 1479 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1190 | 39.8% |
| Married | 1362 | 45.5% |
| Divorced | 170 | 5.7% |
| Widowed | 270 | 9.0% |
School-Age Population (2026)
Total 0-18 years: 188
| Valore | |
|---|---|
| Nido (0-2) | 23 |
| Infanzia (3-5) | 30 |
| Primaria (6-10) | 50 |
| Medie (11-13) | 29 |
| Superiori (14-18) | 56 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Lorenzo Isontino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-lorenzo-isontino-031020" title="Population pyramid of San Lorenzo Isontino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-lorenzo-isontino-031020" alt="Population pyramid of San Lorenzo Isontino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>Municipalities with similar population
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