San Dorligo della Valle: 5622 inhabitants (2026)
ISTAT Code: 032004
45.6079°N, 13.8568°E
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Population & demographics
All demographic data for San Dorligo della Valle: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Dorligo della Valle.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Dorligo della Valle.
San Dorligo della Valle is a medium-sized municipality in the province of Trieste, Friuli-Venezia Giulia region. With a population of 5622 inhabitants and a density of 233 per km², it covers an area of 24.2 km². The average declared income is 25.021 €.
San Dorligo della Valle in numbers: the analysis
The ageing index is one of the starkest signals: in San Dorligo della Valle there are 303 residents over 65 for every 100 under 14, well above the national average.
San Dorligo della Valle has grown substantially since 1951: from 4,821 inhabitants then to 5,622 in 2026, an increase of 16.6%.
Among the 6 municipalities of the province of Trieste, San Dorligo della Valle ranks 4 by population.
Compared with the provincial average of Trieste (about 37,973 residents per municipality), San Dorligo della Valle is a markedly smaller centre.
Demographic projections to 2050 estimate about 5,149 inhabitants for San Dorligo della Valle: an expected decline of 8.4% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5768 |
| 2020 | 5722 |
| 2021 | 5832 |
| 2022 | 5693 |
| 2023 | 5684 |
| 2024 | 5678 |
| 2025 | 5671 |
| 2026 | 5622 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2782 | 49.5% |
| Women | 2840 | 50.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 25 |
| 2022 | 15 |
| 2023 | 34 |
| 2024 | 17 |
| 2025 | 18 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4821 |
| 1961 | 5175 |
| 1971 | 5683 |
| 1981 | 6159 |
| 1991 | 5956 |
| 2001 | 5927 |
| 2011 | 5912 |
| 2019 | 5768 |
| 2020 | 5722 |
| 2021 | 5832 |
| 2022 | 5693 |
| 2023 | 5684 |
| 2024 | 5678 |
| 2025 | 5671 |
| 2026 | 5622 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4730 | 41.7% |
| Married | 5030 | 44.3% |
| Divorced | 624 | 5.5% |
| Widowed | 958 | 8.4% |
School-Age Population (2026)
Total 0-18 years: 774
| Valore | |
|---|---|
| Nido (0-2) | 68 |
| Infanzia (3-5) | 85 |
| Primaria (6-10) | 189 |
| Medie (11-13) | 152 |
| Superiori (14-18) | 280 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Dorligo della Valle population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-dorligo-della-valle-032004" title="Population pyramid of San Dorligo della Valle — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-dorligo-della-valle-032004" alt="Population pyramid of San Dorligo della Valle — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>Municipalities with similar population
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